TSTP Solution File: GRP123-3.004 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GRP123-3.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n004.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 : Sat Jul 16 10:36:29 EDT 2022

% Result   : Satisfiable 20.24s 20.41s
% Output   : Saturation 20.36s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : GRP123-3.004 : TPTP v8.1.0. Released v1.2.0.
% 0.12/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue Jun 14 10:51:39 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 20.24/20.41  % SZS status Satisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 20.24/20.41  
% 20.24/20.41  SZS output start Saturation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 20.24/20.41  |- next e_0 e_1
% 20.24/20.41  |- next e_1 e_2
% 20.24/20.41  |- next e_2 e_3
% 20.24/20.41  |- next e_3 e_4
% 20.24/20.41  |- greater e_1 e_0
% 20.24/20.41  |- greater e_2 e_0
% 20.24/20.41  |- greater e_3 e_0
% 20.24/20.41  |- greater e_4 e_0
% 20.24/20.41  |- greater e_2 e_1
% 20.24/20.41  |- greater e_3 e_1
% 20.24/20.41  |- greater e_4 e_1
% 20.24/20.41  |- greater e_3 e_2
% 20.24/20.41  |- greater e_4 e_2
% 20.24/20.41  |- greater e_4 e_3
% 20.24/20.41  |- ~cycle $X $Y \/ ~cycle $X $Z \/ $Y == $Z
% 20.24/20.41  |- ~group_element $X \/ cycle $X e_0 \/ cycle $X e_1 \/ cycle $X e_2 \/
% 20.24/20.41     cycle $X e_3
% 20.24/20.41  |- cycle e_4 e_0
% 20.24/20.41  |- ~cycle $W $Z \/ ~cycle $X $Y \/ ~greater $Y e_0 \/ ~next $X $W \/
% 20.24/20.41     ~next $Z $Z1 \/ $Y == $Z1
% 20.24/20.41  |- ~cycle $W $Z2 \/ ~cycle $X $Z1 \/ ~cycle $Y e_0 \/ ~greater $Y $X \/
% 20.24/20.41     ~greater $Z1 $Z2 \/ ~next $Y $W
% 20.24/20.41  |- ~cycle $X e_0 \/ ~greater $Y $X \/ ~product $X e_1 $Y
% 20.24/20.41  |- ~cycle $X $Y \/ ~greater $Y e_0 \/ ~next $X $X1 \/ ~product $X e_1 $Z \/
% 20.24/20.41     $Z == $X1
% 20.24/20.41  |- group_element e_1
% 20.24/20.41  |- group_element e_2
% 20.24/20.41  |- group_element e_3
% 20.24/20.41  |- group_element e_4
% 20.24/20.41  |- ~(e_1 == e_2)
% 20.24/20.41  |- ~(e_1 == e_3)
% 20.24/20.41  |- ~(e_1 == e_4)
% 20.24/20.41  |- ~(e_2 == e_1)
% 20.24/20.41  |- ~(e_2 == e_3)
% 20.24/20.41  |- ~(e_2 == e_4)
% 20.24/20.41  |- ~(e_3 == e_1)
% 20.24/20.41  |- ~(e_3 == e_2)
% 20.24/20.41  |- ~(e_3 == e_4)
% 20.24/20.41  |- ~(e_4 == e_1)
% 20.24/20.41  |- ~(e_4 == e_2)
% 20.24/20.41  |- ~(e_4 == e_3)
% 20.24/20.41  |- ~group_element $X \/ ~group_element $Y \/ product $X $Y e_1 \/
% 20.24/20.41     product $X $Y e_2 \/ product $X $Y e_3 \/ product $X $Y e_4
% 20.24/20.41  |- ~product $X $Y $W \/ ~product $X $Y $Z \/ $W == $Z
% 20.24/20.41  |- ~product $X $W $Y \/ ~product $X $Z $Y \/ $W == $Z
% 20.24/20.41  |- ~product $W $Y $X \/ ~product $Z $Y $X \/ $W == $Z
% 20.24/20.41  |- product $X $X $X
% 20.24/20.41  |- ~cycle $X $Y \/ ~greater $Y e_0 \/ ~next $X $X \/ ~next $Y $Z1 \/
% 20.24/20.41     $Y == $Z1
% 20.24/20.41  |- ~cycle $Z $Y \/ ~cycle $Z1 $Z \/ ~greater $Y e_0 \/ ~next $Z $Z1 \/
% 20.24/20.41     $Y == $Z1
% 20.24/20.41  |- ~cycle $X $Z1 \/ ~cycle $Y e_0 \/ ~greater $Y $X \/ ~greater $Z1 $Z1 \/
% 20.24/20.41     ~next $Y $X
% 20.24/20.41  |- ~cycle $W $Z2 \/ ~cycle $Z1 e_0 \/ ~cycle $Z2 $Z1 \/ ~greater $Z1 $Z2 \/
% 20.24/20.41     ~next $Z1 $W
% 20.24/20.41  |- ~cycle $Z1 $Z1 \/ ~cycle $Z1 e_0 \/ ~greater $Z1 $Z1 \/ ~next $Z1 $Z1
% 20.24/20.41  |- ~group_element $Y \/ product $Y $Y e_1 \/ product $Y $Y e_2 \/
% 20.24/20.41     product $Y $Y e_3 \/ product $Y $Y e_4
% 20.24/20.41  |- ~product $X1 $Y1 $Z1 \/ ~product $X2 $Y2 $Z1 \/ ~product $Z2 $Y1 $X1 \/
% 20.24/20.41     ~product $Z2 $Y2 $X2 \/ $X1 == $X2
% 20.24/20.41  |- ~product $X1 $Y1 $Z1 \/ ~product $X2 $Y2 $Z1 \/ ~product $Z2 $Y1 $X1 \/
% 20.24/20.41     ~product $Z2 $Y2 $X2 \/ $Y1 == $Y2
% 20.24/20.41  |- ~product $X2 $Y2 $Z2 \/ ~product $Z2 $Y1 $Z2 \/ ~product $Z2 $Y2 $X2 \/
% 20.24/20.41     $Y1 == $Y2
% 20.24/20.41  |- ~product $X1 $Y1 $Z2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 $Y2 $Z2 \/
% 20.24/20.41     $Y1 == $Y2
% 20.24/20.41  |- $_3 == $_3
% 20.26/20.42  |- ~cycle e_4 $_8 \/ e_0 == $_8
% 20.26/20.42  |- ~cycle e_4 $_7 \/ $_7 == e_0
% 20.26/20.42  |- ~cycle e_1 e_0 \/ ~greater e_1 e_1
% 20.26/20.42  |- ~product $_14 $_15 $_14 \/ $_14 == $_15
% 20.26/20.42  |- ~product $_15 $_14 $_15 \/ $_14 == $_15
% 20.26/20.42  |- ~product $_22 $_22 $_25 \/ $_22 == $_25
% 20.26/20.42  |- ~product $_25 $_25 $_22 \/ $_22 == $_25
% 20.26/20.42  |- ~product $_37 $_35 $_35 \/ $_35 == $_37
% 20.26/20.42  |- ~product $_34 $_35 $_35 \/ $_34 == $_35
% 20.26/20.42  |- ~cycle $_49 e_0 \/ ~greater e_0 e_0 \/ ~next $_49 $_49 \/ e_0 == e_1
% 20.26/20.42  |- ~cycle $_49 e_1 \/ ~next $_49 $_49
% 20.26/20.42  |- ~cycle $_49 e_2 \/ ~next $_49 $_49
% 20.26/20.42  |- ~cycle $_49 e_3 \/ ~next $_49 $_49
% 20.26/20.42  |- ~cycle e_3 $_56 \/ ~cycle e_4 e_3 \/ ~greater $_56 e_0 \/ $_56 == e_4
% 20.26/20.42  |- ~cycle e_3 e_1 \/ ~cycle e_4 e_3
% 20.26/20.42  |- ~cycle e_0 e_0 \/ ~cycle e_1 $_65 \/ ~greater $_65 $_65 \/
% 20.26/20.42     ~greater e_0 e_1
% 20.26/20.42  |- ~cycle e_2 e_0 \/ ~cycle e_3 $_65 \/ ~greater $_65 $_65 \/
% 20.26/20.42     ~greater e_2 e_3
% 20.26/20.42  |- ~cycle e_3 e_0 \/ ~cycle e_4 $_65 \/ ~greater $_65 $_65 \/
% 20.26/20.42     ~greater e_3 e_4
% 20.26/20.42  |- ~cycle $_72 e_0 \/ ~cycle e_0 e_0 \/ ~cycle e_1 $_72 \/
% 20.26/20.42     ~greater e_0 $_72
% 20.26/20.42  |- ~cycle $_72 e_2 \/ ~cycle e_2 e_0 \/ ~cycle e_3 $_72 \/
% 20.26/20.42     ~greater e_2 $_72
% 20.26/20.42  |- ~product $_77 $_79 $_78 \/ ~product $_78 $_79 $_77 \/ $_78 == $_77
% 20.26/20.42  |- ~product $_84 $_86 $_85 \/ ~product $_85 $_86 $_84 \/ $_85 == $_86
% 20.26/20.42  |- ~product $_91 $_92 $_93 \/ ~product $_93 $_92 $_91 \/ $_92 == $_93
% 20.26/20.42  |- ~group_element $_99 \/ product e_1 $_99 e_1 \/ product e_1 $_99 e_2 \/
% 20.26/20.42     product e_1 $_99 e_3 \/ product e_1 $_99 e_4
% 20.26/20.42  |- ~group_element $_99 \/ product e_2 $_99 e_1 \/ product e_2 $_99 e_2 \/
% 20.26/20.42     product e_2 $_99 e_3 \/ product e_2 $_99 e_4
% 20.26/20.42  |- ~group_element $_99 \/ product e_3 $_99 e_1 \/ product e_3 $_99 e_2 \/
% 20.26/20.42     product e_3 $_99 e_3 \/ product e_3 $_99 e_4
% 20.26/20.42  |- ~group_element $_99 \/ product e_4 $_99 e_1 \/ product e_4 $_99 e_2 \/
% 20.26/20.42     product e_4 $_99 e_3 \/ product e_4 $_99 e_4
% 20.26/20.42  |- ~group_element $_98 \/ product $_98 e_1 e_1 \/ product $_98 e_1 e_2 \/
% 20.26/20.42     product $_98 e_1 e_3 \/ product $_98 e_1 e_4
% 20.26/20.42  |- ~group_element $_98 \/ product $_98 e_2 e_1 \/ product $_98 e_2 e_2 \/
% 20.26/20.42     product $_98 e_2 e_3 \/ product $_98 e_2 e_4
% 20.26/20.42  |- ~group_element $_98 \/ product $_98 e_3 e_1 \/ product $_98 e_3 e_2 \/
% 20.26/20.42     product $_98 e_3 e_3 \/ product $_98 e_3 e_4
% 20.26/20.42  |- ~group_element $_98 \/ product $_98 e_4 e_1 \/ product $_98 e_4 e_2 \/
% 20.26/20.42     product $_98 e_4 e_3 \/ product $_98 e_4 e_4
% 20.26/20.42  |- product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.26/20.42     product e_1 e_2 e_4
% 20.26/20.42  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.26/20.42     product e_1 e_3 e_4
% 20.26/20.42  |- ~product $W e_3 e_4 \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.42     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 20.26/20.42  |- ~product $Z e_3 e_4 \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 20.26/20.42     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 20.26/20.42  |- ~product e_1 $W e_4 \/ $W == e_3 \/ product e_1 e_3 e_1 \/
% 20.26/20.42     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 20.26/20.42  |- ~product e_1 $Z e_4 \/ e_3 == $Z \/ product e_1 e_3 e_1 \/
% 20.26/20.42     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 20.26/20.42  |- ~product e_1 e_3 $W \/ $W == e_4 \/ product e_1 e_3 e_1 \/
% 20.26/20.42     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 20.26/20.42  |- ~product e_1 e_3 $Z \/ e_4 == $Z \/ product e_1 e_3 e_1 \/
% 20.26/20.42     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 20.26/20.42  |- ~product $W e_2 e_4 \/ $W == e_1 \/ product e_1 e_2 e_1 \/
% 20.26/20.42     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.42  |- ~product $Z e_2 e_4 \/ e_1 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.42     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.42  |- ~product e_1 $W e_4 \/ $W == e_2 \/ product e_1 e_2 e_1 \/
% 20.26/20.42     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.42  |- ~product e_1 $Z e_4 \/ e_2 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.42     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.42  |- ~product e_1 e_2 $W \/ $W == e_4 \/ product e_1 e_2 e_1 \/
% 20.26/20.42     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.42  |- ~product e_1 e_2 $Z \/ e_4 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.42     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.42  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_1 e_4 e_3
% 20.26/20.42  |- ~product $W e_4 e_3 \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- ~product $Z e_4 e_3 \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- ~product e_1 $W e_3 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- ~product e_1 $Z e_3 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- ~product e_1 e_4 $W \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- ~product e_1 e_4 $Z \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.26/20.42     product e_2 e_1 e_4
% 20.26/20.42  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.26/20.42     product e_2 e_3 e_4
% 20.26/20.42  |- ~product $W e_1 e_4 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 20.26/20.42     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.42  |- ~product $Z e_1 e_4 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 20.26/20.42     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.42  |- ~product e_2 $W e_4 \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.42     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.42  |- ~product e_2 $Z e_4 \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 20.26/20.42     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.42  |- ~product e_2 e_1 $W \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 20.26/20.42     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.42  |- ~product e_2 e_1 $Z \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 20.26/20.42     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.42  |- ~cycle e_2 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.26/20.42     product e_2 e_1 e_3
% 20.26/20.42  |- ~product $W e_3 e_4 \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product $Z e_3 e_4 \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_2 $W e_4 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_2 $Z e_4 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_2 e_3 $W \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_2 e_3 $Z \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 20.26/20.42  |- ~product $W e_4 e_3 \/ $W == e_2 \/ product e_2 e_4 e_1 \/
% 20.26/20.42     product e_2 e_4 e_2
% 20.26/20.42  |- ~product $Z e_4 e_3 \/ e_2 == $Z \/ product e_2 e_4 e_1 \/
% 20.26/20.42     product e_2 e_4 e_2
% 20.26/20.42  |- ~product e_2 $W e_3 \/ $W == e_4 \/ product e_2 e_4 e_1 \/
% 20.26/20.42     product e_2 e_4 e_2
% 20.26/20.42  |- ~product e_2 $Z e_3 \/ e_4 == $Z \/ product e_2 e_4 e_1 \/
% 20.26/20.42     product e_2 e_4 e_2
% 20.26/20.42  |- ~product e_2 e_4 $W \/ $W == e_3 \/ product e_2 e_4 e_1 \/
% 20.26/20.42     product e_2 e_4 e_2
% 20.26/20.42  |- ~product e_2 e_4 $Z \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
% 20.26/20.42     product e_2 e_4 e_2
% 20.26/20.42  |- product e_4 e_3 e_1 \/ product e_4 e_3 e_2
% 20.26/20.42  |- ~product e_2 e_3 e_4 \/ product e_4 e_3 e_1
% 20.26/20.42  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_4 e_3 e_1
% 20.26/20.42  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_4 e_3 e_1
% 20.26/20.42  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_4 e_3 e_1
% 20.26/20.42  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_4 e_3 e_1
% 20.26/20.42  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_4 e_3 e_1
% 20.26/20.42  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_4 e_3 e_1
% 20.26/20.42  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.26/20.42     product e_4 e_3 e_1
% 20.26/20.42  |- ~product e_1 e_3 e_4 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.26/20.42     product e_2 e_3 e_3
% 20.26/20.42  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 20.26/20.42     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.26/20.42  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_4 e_1
% 20.26/20.42  |- ~product $W e_4 e_1 \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 20.26/20.42     product e_1 e_4 e_2
% 20.26/20.42  |- ~product e_2 $W e_1 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
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% 20.26/20.42  |- ~product e_2 e_4 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
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% 20.26/20.42  |- ~product e_3 e_1 $W \/ $W == e_4 \/ product e_3 e_1 e_1 \/
% 20.26/20.42     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.26/20.42  |- ~product e_3 e_1 $Z \/ e_4 == $Z \/ product e_3 e_1 e_1 \/
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% 20.26/20.42  |- ~cycle e_3 e_0 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
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% 20.26/20.42  |- ~product e_3 e_2 $Z \/ e_4 == $Z \/ product e_3 e_2 e_1 \/
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% 20.26/20.42  |- product e_3 e_4 e_1 \/ product e_3 e_4 e_2
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% 20.26/20.42  |- ~product e_1 e_4 e_3 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
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% 20.26/20.42     product e_4 e_2 e_2
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% 20.26/20.42     product e_4 e_2 e_2
% 20.26/20.42  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ product e_4 e_2 e_1 \/
% 20.26/20.42     product e_4 e_2 e_2
% 20.26/20.42  |- ~product e_4 e_2 $W \/ $W == e_3 \/ product e_4 e_2 e_1 \/
% 20.26/20.42     product e_4 e_2 e_2
% 20.26/20.42  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ product e_4 e_2 e_1 \/
% 20.26/20.42     product e_4 e_2 e_2
% 20.26/20.42  |- product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3 \/
% 20.26/20.42     product e_4 e_2 e_1
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% 20.26/20.42     product e_3 e_2 e_3
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% 20.26/20.42  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_3 e_2 e_1 \/
% 20.26/20.42     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.26/20.42  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_3 e_2 e_1 \/
% 20.26/20.42     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
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% 20.26/20.42     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.26/20.42  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_3 e_2 e_1 \/
% 20.26/20.42     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.26/20.42  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_3 e_2 e_1 \/
% 20.26/20.42     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.26/20.42  |- ~product e_2 e_1 e_4 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.26/20.42     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
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% 20.26/20.42  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_3 e_1 e_1 \/
% 20.26/20.42     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.26/20.42  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_3 e_1 e_1 \/
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% 20.26/20.42  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_3 e_1 e_1 \/
% 20.26/20.42     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.26/20.42  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_3 e_1 e_1 \/
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% 20.26/20.42     product e_4 e_1 e_1 \/ product e_4 e_3 e_1
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% 20.26/20.42     product e_4 e_1 e_2
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% 20.26/20.42     product e_4 e_1 e_2
% 20.26/20.42  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_4 e_1 e_1 \/
% 20.26/20.42     product e_4 e_1 e_2
% 20.26/20.42  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_4 e_1 e_1 \/
% 20.26/20.42     product e_4 e_1 e_2
% 20.26/20.42  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_4 e_1 e_1 \/
% 20.26/20.42     product e_4 e_1 e_2
% 20.26/20.43  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_4 e_1 e_1 \/
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% 20.26/20.43     product e_1 e_2 e_3 \/ product e_4 e_1 e_1
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% 20.26/20.43  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_1 e_2 e_1 \/
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% 20.26/20.43     product e_1 e_2 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.26/20.43     product e_4 e_1 e_1 \/ product e_4 e_3 e_1
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% 20.26/20.43  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_3 e_1 e_1 \/
% 20.26/20.43     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_3 e_1 e_1 \/
% 20.26/20.43     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
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% 20.26/20.43     product e_2 e_3 e_3 \/ product e_4 e_1 e_1
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% 20.26/20.43     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 20.26/20.43     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
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% 20.26/20.43  |- product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
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% 20.26/20.43  |- ~product $W e_3 e_2 \/ $W == e_1 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product $Z e_3 e_2 \/ e_1 == $Z \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_1 $W e_2 \/ $W == e_3 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_1 $Z e_2 \/ e_3 == $Z \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_1 e_3 $W \/ $W == e_2 \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.26/20.43  |- ~product e_1 e_3 $Z \/ e_2 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.26/20.43  |- product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
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% 20.26/20.43     product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.26/20.43  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.26/20.43  |- ~product e_1 e_3 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.26/20.43     product e_1 e_2 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_2 $Z e_1 \/ e_3 == $Z \/ product e_1 e_3 e_1 \/
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% 20.26/20.43  |- ~product e_2 e_3 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 20.26/20.43  |- ~product e_2 e_3 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
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% 20.26/20.43  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
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% 20.26/20.43  |- ~product e_1 e_4 $W \/ $W == e_2 \/ product e_1 e_3 e_1 \/
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% 20.26/20.43  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_1 e_3 e_1 \/
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% 20.26/20.43  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
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% 20.26/20.43  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 20.26/20.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_1 e_4 e_1
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% 20.26/20.43     product e_3 e_2 e_1
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% 20.26/20.43  |- ~product e_3 $W e_1 \/ $W == e_2 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.43  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.43  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.43  |- product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.26/20.43     product e_2 e_4 e_1
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% 20.26/20.43  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.43  |- ~product e_2 $W e_1 \/ $W == e_4 \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.43  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.26/20.43  |- ~product e_2 e_4 $W \/ $W == e_1 \/ product e_1 e_2 e_1 \/
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% 20.26/20.43  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ product e_1 e_2 e_1 \/
% 20.26/20.43     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
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% 20.26/20.43     product e_2 e_3 e_3 \/ product e_4 e_1 e_1
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% 20.26/20.43     product e_1 e_2 e_3 \/ product e_4 e_1 e_1
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% 20.26/20.43     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.26/20.43  |- ~cycle e_4 $_182 \/ ~greater $_182 e_0 \/ ~next e_4 $_181 \/
% 20.26/20.43     e_3 == $_181 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
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% 20.26/20.43  |- ~cycle e_1 e_1
% 20.26/20.43  |- ~cycle e_1 e_2
% 20.26/20.43  |- ~cycle e_1 e_3
% 20.26/20.43  |- ~cycle e_1 e_4
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% 20.26/20.43  |- ~cycle e_1 $Y \/ $Y == e_0
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% 20.26/20.43  |- ~cycle e_0 e_3
% 20.26/20.43  |- ~cycle e_0 e_2
% 20.26/20.43  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
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% 20.26/20.43  |- ~product $Z e_3 e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 20.26/20.43     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.43  |- ~product e_2 $W e_1 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 20.26/20.43     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.43  |- ~product e_2 $Z e_1 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 20.26/20.43     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.43  |- ~product e_2 e_3 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.43     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.43  |- ~product e_2 e_3 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 20.26/20.43     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.43  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_1 e_1 \/
% 20.26/20.43     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.26/20.43  |- ~product $W e_1 e_3 \/ $W == e_2 \/ product e_1 e_4 e_1 \/
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% 20.26/20.43  |- ~product $Z e_1 e_3 \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
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% 20.26/20.43  |- ~product e_2 $W e_3 \/ $W == e_1 \/ product e_1 e_4 e_1 \/
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% 20.26/20.43  |- ~product e_2 e_1 $W \/ $W == e_3 \/ product e_1 e_4 e_1 \/
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% 20.26/20.43     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.26/20.43  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_3 e_1 e_1 \/
% 20.26/20.43     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.26/20.43  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_3 e_1 e_1 \/
% 20.26/20.43     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.26/20.43  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_3 e_1 e_1 \/
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% 20.26/20.43  |- product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/
% 20.26/20.43     product e_3 e_1 e_2
% 20.26/20.43  |- ~product e_2 e_1 e_3 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
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% 20.26/20.43  |- ~product e_3 $Z e_2 \/ e_1 == $Z \/ product e_2 e_4 e_1 \/
% 20.26/20.43     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 20.26/20.43  |- ~product e_3 e_1 $W \/ $W == e_2 \/ product e_2 e_4 e_1 \/
% 20.26/20.43     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 20.26/20.43  |- ~product e_3 e_1 $Z \/ e_2 == $Z \/ product e_2 e_4 e_1 \/
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% 20.26/20.43     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
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% 20.26/20.43  |- ~product $Z e_1 e_2 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
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% 20.26/20.49  |- ~product $_477 $_477 e_2 \/ ~product $_477 e_1 e_4 \/ e_1 == $_477 \/
% 20.26/20.49     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.49     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.49  |- ~product $X1 $Y1 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.49     $Y1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.49     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.49  |- ~product $X2 $Y2 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.49     e_1 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.49     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.49  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.49     $Y1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.49     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.49  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.49     e_1 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.49     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $_377 $_377 e_2 \/ ~product $_377 e_1 e_4 \/ e_4 == $_377 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $_376 $_376 e_2 \/ ~product $_376 e_1 e_4 \/ $_376 == e_4 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_2 e_1 $_380 \/ ~product e_4 $_380 $_380 \/ e_2 == $_380 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_2 e_1 $_380 \/ ~product e_4 $_380 $_380 \/ $_380 == e_2 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X1 $Y1 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.50     $X1 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X2 $Y2 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.50     e_2 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.50     $X1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.50     e_4 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_2 e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~greater e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1 \/ product e_4 e_3 e_1
% 20.26/20.50  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_2 e_4 e_1
% 20.26/20.50  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_4 e_2 \/ $_476 == e_4 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_1 e_4 $_480 \/ ~product e_2 e_2 $_480 \/ cycle e_2 e_0 \/
% 20.26/20.50     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_1 e_4 $_480 \/ ~product e_2 $_480 $_480 \/ e_4 == $_480 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_4 e_2 \/ cycle e_2 e_0 \/
% 20.26/20.50     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_1 e_4 $_480 \/ ~product e_2 $_480 $_480 \/ $_480 == e_4 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_4 e_2 \/ e_4 == $_477 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y1 $X1 \/
% 20.26/20.50     $Y1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y2 $X2 \/
% 20.26/20.50     e_4 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.50     $Y1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.50     e_4 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_4 e_2 \/ e_2 == $_377 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_4 e_2 \/ $_376 == e_2 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_1 e_4 $_380 \/ ~product e_2 $_380 $_380 \/ e_1 == $_380 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_1 e_4 $_380 \/ ~product e_2 $_380 $_380 \/ $_380 == e_1 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y1 $X1 \/
% 20.26/20.50     $X1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y2 $X2 \/
% 20.26/20.50     e_1 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.50     $X1 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.50     e_2 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_1 e_4 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product $W e_4 e_1 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_2 $W e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_2 e_4 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.50  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_3 e_4 \/ $_476 == e_3 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ e_3 == $_480 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.26/20.50     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.26/20.50     product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_3 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_3 e_4 \/ e_3 == $_477 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.50     $Y1 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.50     e_3 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     $Y1 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     e_3 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_3 e_4 \/ e_4 == $_377 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_3 e_4 \/ $_376 == e_4 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ e_1 == $_380 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ $_380 == e_1 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.50     $X1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.50     e_1 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     $X1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     e_4 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.26/20.50     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_1 e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.26/20.50  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.50     product e_1 e_3 e_2
% 20.26/20.50  |- ~product $_476 $_476 e_2 \/ ~product $_476 e_3 e_1 \/ $_476 == e_3 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_481 e_2 e_2 \/ ~product $_481 e_3 e_1 \/ cycle e_2 e_0 \/
% 20.26/20.50     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_477 $_477 e_2 \/ ~product $_477 e_3 e_1 \/ e_3 == $_477 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_1 \/
% 20.26/20.50     $Y1 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_1 \/
% 20.26/20.50     e_3 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_377 $_377 e_2 \/ ~product $_377 e_3 e_1 \/ e_1 == $_377 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_376 $_376 e_2 \/ ~product $_376 e_3 e_1 \/ $_376 == e_1 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_1 \/
% 20.26/20.50     $X1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_1 \/
% 20.26/20.50     e_1 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $W e_3 e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product $Z e_3 e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 $W e_2 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 $Z e_2 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 e_3 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 e_3 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.50     product e_4 e_3 e_1
% 20.26/20.50  |- ~product e_2 $Y1 e_2 \/ ~product e_2 e_3 e_1 \/ cycle e_2 e_0 \/
% 20.26/20.50     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_3 e_4 \/ $_476 == e_3 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ e_3 == $_480 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.26/20.50     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_3 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_3 e_4 \/ e_3 == $_477 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.50     $Y1 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.50     e_3 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     $Y1 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     e_3 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_3 e_4 \/ e_4 == $_377 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_3 e_4 \/ $_376 == e_4 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ e_1 == $_380 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ $_380 == e_1 \/
% 20.26/20.50     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.50     $X1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.50     e_1 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     $X1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.26/20.50     e_4 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_1 e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.50  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.50     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.26/20.51  |- ~product $_476 $_476 e_2 \/ ~product $_476 e_1 e_4 \/ $_476 == e_1 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_1 $_480 \/ ~product e_4 $_480 $_480 \/ e_1 == $_480 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $_481 e_1 e_4 \/ ~product $_481 e_2 e_2 \/ cycle e_2 e_0 \/
% 20.26/20.51     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_1 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_1 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $_477 $_477 e_2 \/ ~product $_477 e_1 e_4 \/ e_1 == $_477 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X1 $Y1 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.51     $Y1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X2 $Y2 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.51     e_1 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.51     $Y1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.51     e_1 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $_377 $_377 e_2 \/ ~product $_377 e_1 e_4 \/ e_4 == $_377 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $_376 $_376 e_2 \/ ~product $_376 e_1 e_4 \/ $_376 == e_4 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_1 $_380 \/ ~product e_4 $_380 $_380 \/ e_2 == $_380 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_1 $_380 \/ ~product e_4 $_380 $_380 \/ $_380 == e_2 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X1 $Y1 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.26/20.51     $X1 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X2 $Y2 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.26/20.51     e_2 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.51     $X1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_4 \/
% 20.26/20.51     e_4 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~greater e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_3 e_2 e_1
% 20.26/20.51  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_2 e_3 \/ $_476 == e_2 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ e_2 == $_480 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_2 e_3 \/ cycle e_2 e_0 \/
% 20.26/20.51     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ $_480 == e_2 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_2 e_3 \/ e_2 == $_477 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
% 20.26/20.51     $Y1 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
% 20.26/20.51     e_2 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_2 e_3 \/
% 20.26/20.51     $Y1 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_2 e_3 \/
% 20.26/20.51     e_2 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_2 e_3 \/ e_3 == $_377 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_2 e_3 \/ $_376 == e_3 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ e_1 == $_380 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ $_380 == e_1 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
% 20.26/20.51     $X1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
% 20.26/20.51     e_1 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_2 e_3 \/
% 20.26/20.51     $X1 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_2 e_3 \/
% 20.26/20.51     e_3 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_2 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product $W e_2 e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_3 $W e_1 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_3 e_2 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_2 e_4 e_1
% 20.26/20.51  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_4 e_2 \/ $_476 == e_4 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 $_480 \/ ~product e_2 e_2 $_480 \/ cycle e_2 e_0 \/
% 20.26/20.51     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 $_480 \/ ~product e_2 $_480 $_480 \/ e_4 == $_480 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_4 e_2 \/ cycle e_2 e_0 \/
% 20.26/20.51     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 $_480 \/ ~product e_2 $_480 $_480 \/ $_480 == e_4 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_4 e_2 \/ e_4 == $_477 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y1 $X1 \/
% 20.26/20.51     $Y1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y2 $X2 \/
% 20.26/20.51     e_4 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.51     $Y1 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.51     e_4 == $Y2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_4 e_2 \/ e_2 == $_377 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_4 e_2 \/ $_376 == e_2 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 $_380 \/ ~product e_2 $_380 $_380 \/ e_1 == $_380 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 $_380 \/ ~product e_2 $_380 $_380 \/ $_380 == e_1 \/
% 20.26/20.51     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y1 $X1 \/
% 20.26/20.51     $X1 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y2 $X2 \/
% 20.26/20.51     e_1 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.51     $X1 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_4 e_2 \/
% 20.26/20.51     e_2 == $X2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product $W e_4 e_1 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_2 $W e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_2 e_4 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_3 e_1 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.26/20.51  |- ~product e_4 e_2 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1
% 20.26/20.51  |- ~product e_2 e_2 e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.26/20.51     product e_1 e_3 e_3
% 20.26/20.51  |- ~product $_619 e_3 e_1 \/ ~product $_619 e_4 e_3 \/ cycle e_2 e_0 \/
% 20.26/20.51     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.26/20.51  |- ~product $_619 e_3 e_4 \/ ~product $_619 e_4 e_3 \/
% 20.26/20.51     product e_3 e_4 e_1 \/ product e_4 e_3 e_1
% 20.26/20.51  |- ~product $_617 $_618 e_2 \/ ~product e_1 $_618 $_617 \/ e_4 == $_618 \/
% 20.26/20.51     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 20.26/20.51  |- ~product e_1 e_3 e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.26/20.51     product e_3 e_4 e_1 \/ product e_4 e_3 e_1
% 20.26/20.51  |- ~product $_624 e_1 e_3 \/ ~product $_624 e_3 e_4 \/
% 20.26/20.51     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/
% 20.26/20.51     product e_4 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 e_2 \/ ~product e_3 e_3 e_4 \/ product e_1 e_3 e_1 \/
% 20.26/20.51     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.26/20.51     product e_4 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 e_2 \/ ~product e_3 e_3 e_4 \/ product e_2 e_1 e_1 \/
% 20.26/20.51     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 20.26/20.51     product e_4 e_3 e_1
% 20.26/20.51  |- ~product e_1 e_4 e_2 \/ ~product e_3 e_3 e_4 \/ product e_2 e_4 e_1 \/
% 20.26/20.51     product e_2 e_4 e_2 \/ product e_4 e_3 e_1
% 20.26/20.51  |- ~product e_2 e_4 e_2 \/ ~product e_3 e_3 e_4 \/ product e_3 e_4 e_1 \/
% 20.26/20.51     product e_4 e_3 e_1
% 20.26/20.51  |- ~product $_622 $_623 e_2 \/ ~product e_1 $_623 $_622 \/ e_3 == $_623 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.26/20.51     product e_4 e_3 e_1
% 20.26/20.51  |- ~product $_626 $_627 e_2 \/ ~product e_1 $_627 $_626 \/ $_627 == e_4 \/
% 20.26/20.51     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 20.26/20.51  |- ~product $_631 e_3 e_4 \/ ~product $_631 e_4 e_1 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.26/20.51     product e_1 e_4 e_1 \/ product e_4 e_3 e_1
% 20.26/20.51  |- ~product $_631 e_1 e_3 \/ ~product $_631 e_3 e_4 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.26/20.51     product e_3 e_1 e_1 \/ product e_4 e_3 e_1
% 20.26/20.51  |- ~product $_631 e_1 e_3 \/ ~product $_631 e_3 e_4 \/
% 20.26/20.51     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.26/20.51     product e_3 e_1 e_1 \/ product e_4 e_3 e_1
% 20.26/20.51  |- ~product $_629 $_630 e_2 \/ ~product e_1 $_630 $_629 \/ $_630 == e_3 \/
% 20.26/20.51     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.26/20.51     product e_4 e_3 e_1
% 20.26/20.51  |- ~product e_2 e_4 e_2 \/ ~product e_3 e_1 e_4 \/ cycle e_2 e_0 \/
% 20.26/20.51     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_3 e_4 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_4 e_2 \/ ~product e_3 e_1 e_4 \/ cycle e_2 e_0 \/
% 20.26/20.51     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.26/20.51     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_4 e_2 \/ ~product e_3 e_1 e_4 \/ product e_2 e_3 e_1 \/
% 20.26/20.51     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_3 e_4 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_4 e_2 \/ ~product e_3 e_1 e_4 \/ product e_1 e_2 e_1 \/
% 20.26/20.51     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_3 e_4 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.26/20.51  |- ~product e_2 e_4 e_1 \/ ~product e_3 e_2 e_4 \/ product e_3 e_4 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.26/20.51  |- ~product e_2 e_4 e_1 \/ ~product e_3 e_3 e_4 \/ product e_3 e_1 e_1 \/
% 20.26/20.51     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_3 e_4 e_1 \/
% 20.26/20.51     product e_4 e_1 e_1
% 20.36/20.51  |- ~product e_1 e_2 $_634 \/ ~product e_2 e_4 $_634 \/ cycle e_2 e_0 \/
% 20.36/20.51     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.51  |- ~product e_1 e_2 $_634 \/ ~product e_2 e_4 $_634 \/
% 20.36/20.51     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.51     product e_3 e_4 e_1
% 20.36/20.51  |- ~product e_2 e_4 e_1 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.51     product e_3 e_2 e_3 \/ product e_3 e_4 e_1
% 20.36/20.51  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_3 e_2 e_1
% 20.36/20.51  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_2 e_3 \/ $_476 == e_2 \/
% 20.36/20.51     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.51  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ e_2 == $_480 \/
% 20.36/20.51     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.51  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_2 e_3 \/
% 20.36/20.51     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.51  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ $_480 == e_2 \/
% 20.36/20.51     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.51  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_2 e_3 \/ e_2 == $_477 \/
% 20.36/20.51     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.51  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
% 20.36/20.51     $Y1 == e_2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.51  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
% 20.36/20.51     e_2 == $Y2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.52  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_2 e_3 \/
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% 20.36/20.52  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_2 e_3 \/
% 20.36/20.52     e_2 == $Y2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.52  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_2 e_3 \/ e_3 == $_377 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.52  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_2 e_3 \/ $_376 == e_3 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.52  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ e_1 == $_380 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.52  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ $_380 == e_1 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.52  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
% 20.36/20.52     $X1 == e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.52  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
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% 20.36/20.52  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2
% 20.36/20.52  |- ~product e_3 $W e_1 \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2
% 20.36/20.52  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2
% 20.36/20.52  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2
% 20.36/20.52  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2
% 20.36/20.52  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.52     product e_4 e_1 e_2
% 20.36/20.52  |- ~product e_1 e_2 $_480 \/ ~product e_2 e_4 $_480 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_3 e_4 e_1
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% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_2 e_1 $_480 \/ ~product e_4 $_480 $_480 \/ e_1 == $_480 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
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% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_2 e_1 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_1 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
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% 20.36/20.52  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_4 \/
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% 20.36/20.52     product e_4 e_1 e_1
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% 20.36/20.52  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
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% 20.36/20.52  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_1 e_4 e_1 \/
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% 20.36/20.52  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
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% 20.36/20.52  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_3 e_4 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_3 \/
% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
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% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
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% 20.36/20.52  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
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% 20.36/20.52     product e_4 e_1 e_1
% 20.36/20.52  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
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% 20.36/20.52     product e_4 e_1 e_1
% 20.36/20.52  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
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% 20.36/20.52     product e_4 e_1 e_1
% 20.36/20.52  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_3 e_4 \/ e_4 == $_377 \/
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% 20.36/20.52     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
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% 20.36/20.52     product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_1 e_3 e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.52     product e_4 e_1 e_1
% 20.36/20.52  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
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% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 20.36/20.52     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.52  |- ~product e_4 e_1 e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
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% 20.36/20.52     product e_3 e_1 e_3 \/ product e_3 e_4 e_1 \/ product e_4 e_1 e_1
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% 20.36/20.52     product e_3 e_4 e_1
% 20.36/20.52  |- ~product e_2 e_3 $_655 \/ ~product e_4 e_4 $_655 \/ product e_4 e_3 e_1
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% 20.36/20.52  |- ~product e_1 e_2 $_655 \/ ~product e_2 e_3 $_655 \/
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% 20.36/20.52  |- ~product e_1 e_2 $_655 \/ ~product e_2 e_3 $_655 \/
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% 20.36/20.52     product e_4 e_1 e_2 \/ product e_4 e_3 e_1
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% 20.36/20.52     product e_4 e_1 e_2 \/ product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_2 e_3 e_2 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
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% 20.36/20.52     product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_1 e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
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% 20.36/20.52     product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_1 e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
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% 20.36/20.52     product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_2 e_3 e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.52     product e_4 e_2 e_1 \/ product e_4 e_2 e_2 \/ product e_4 e_3 e_1
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% 20.36/20.52     product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_2 e_3 e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
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% 20.36/20.52     product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_1 e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.52     product e_2 e_1 e_3 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.52     product e_3 e_2 e_3 \/ product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_1 e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.52     product e_1 e_3 e_3 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.52     product e_3 e_2 e_3 \/ product e_4 e_3 e_1
% 20.36/20.52  |- ~product e_1 e_2 $_663 \/ ~product e_2 e_4 $_663 \/
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% 20.36/20.52     product e_3 e_4 e_1
% 20.36/20.52  |- ~product e_1 e_2 $_663 \/ ~product e_2 e_4 $_663 \/
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% 20.36/20.52     product e_3 e_4 e_1
% 20.36/20.52  |- ~product e_1 e_2 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.52     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
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% 20.36/20.52  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_2 e_3 \/ $_476 == e_2 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ e_2 == $_480 \/
% 20.36/20.52     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_2 e_3 \/ cycle e_2 e_0 \/
% 20.36/20.52     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ $_480 == e_2 \/
% 20.36/20.52     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_2 e_3 \/ e_2 == $_477 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
% 20.36/20.52     $Y1 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_2 e_3 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_2 e_3 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_2 e_3 \/ e_3 == $_377 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_2 e_3 \/ $_376 == e_3 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ e_1 == $_380 \/
% 20.36/20.52     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ $_380 == e_1 \/
% 20.36/20.52     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_1 \/
% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
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% 20.36/20.52  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_2 e_3 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_2 e_3 \/
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% 20.36/20.52     product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_1 e_2 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product $W e_2 e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_3 $W e_1 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_3 e_2 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.52  |- ~product e_2 e_3 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.52     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.52     product e_4 e_2 e_2 \/ product e_4 e_3 e_1
% 20.36/20.52  |- ~product $_677 e_1 e_4 \/ ~product $_677 e_4 e_3 \/
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% 20.36/20.52     product e_4 e_1 e_1
% 20.36/20.52  |- ~product $_675 $_676 e_2 \/ ~product e_1 $_676 $_675 \/ e_3 == $_675 \/
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% 20.36/20.53     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.53  |- ~product $_679 $_680 e_2 \/ ~product e_1 $_680 $_679 \/ e_4 == $_679 \/
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% 20.36/20.53     product e_4 e_3 e_1
% 20.36/20.53  |- ~product $_684 e_3 e_1 \/ ~product $_684 e_4 e_3 \/
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% 20.36/20.53     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.53  |- ~product $_684 e_1 e_4 \/ ~product $_684 e_4 e_3 \/ cycle e_2 e_0 \/
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% 20.36/20.53     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.53  |- ~product $_684 e_1 e_4 \/ ~product $_684 e_4 e_3 \/
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% 20.36/20.53     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.53  |- ~product $_684 e_1 e_4 \/ ~product $_684 e_4 e_3 \/
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% 20.36/20.53     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.53  |- ~product $_684 e_1 e_4 \/ ~product $_684 e_4 e_3 \/
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% 20.36/20.53     product e_4 e_3 e_1
% 20.36/20.53  |- ~product e_1 e_2 $_690 \/ ~product e_2 e_4 $_690 \/ cycle e_2 e_0 \/
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% 20.36/20.53     product e_3 e_4 e_1
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% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
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% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1
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% 20.36/20.53     product e_2 e_3 e_3
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% 20.36/20.53     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.53  |- ~product e_3 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.53     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
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% 20.36/20.53     product e_2 e_3 e_3
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% 20.36/20.53     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.53  |- ~product e_3 e_1 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
% 20.36/20.53  |- ~product e_3 e_3 e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_4 e_3 e_1
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% 20.36/20.53     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_3 e_1
% 20.36/20.53  |- ~product e_4 e_1 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.53     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_4 e_1 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.53     product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_3 e_3 e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1
% 20.36/20.53  |- ~product e_3 e_1 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.53     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.53  |- ~product e_3 e_3 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
% 20.36/20.53  |- ~product $_1012 e_1 e_2 \/ ~product $_1012 e_4 e_1 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_1 e_1 \/
% 20.36/20.53     product e_2 e_1 e_2
% 20.36/20.53  |- ~product $_1012 e_2 e_4 \/ ~product $_1012 e_4 e_1 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.53     product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1010 $_1011 e_3 \/ ~product e_2 $_1011 $_1010 \/
% 20.36/20.53     e_4 == $_1011 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.53  |- ~product e_2 e_2 e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1019 e_2 e_3 \/ ~product $_1019 e_4 e_2 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.53  |- ~product $_1019 e_3 e_4 \/ ~product $_1019 e_4 e_2 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.53  |- ~product $_1017 $_1018 e_1 \/ ~product e_3 $_1018 $_1017 \/
% 20.36/20.53     e_4 == $_1018 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_3 e_4 e_1
% 20.36/20.53  |- ~product e_3 e_2 e_3 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_3 e_4 e_1
% 20.36/20.53  |- ~product e_3 e_3 e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.53  |- ~product $_1028 e_1 e_4 \/ ~product $_1028 e_4 e_2 \/
% 20.36/20.53     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1028 e_2 e_4 \/ ~product $_1028 e_4 e_2 \/
% 20.36/20.53     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.53     product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1026 $_1027 e_3 \/ ~product e_1 $_1027 $_1026 \/
% 20.36/20.53     e_4 == $_1027 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/
% 20.36/20.53     product e_2 e_4 e_2
% 20.36/20.53  |- ~product e_1 e_1 e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/
% 20.36/20.53     product e_2 e_4 e_2 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_1 e_2 e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/
% 20.36/20.53     product e_2 e_4 e_2 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1033 e_3 e_2 \/ ~product $_1033 e_4 e_3 \/
% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.53     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product $_1033 e_3 e_2 \/ ~product $_1033 e_4 e_3 \/
% 20.36/20.53     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.53     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product $_1033 e_2 e_4 \/ ~product $_1033 e_4 e_3 \/
% 20.36/20.53     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1033 e_2 e_4 \/ ~product $_1033 e_4 e_3 \/
% 20.36/20.53     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_2 e_1 \/
% 20.36/20.53     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.53  |- ~product $_1031 $_1032 e_1 \/ ~product e_2 $_1032 $_1031 \/
% 20.36/20.53     e_4 == $_1032 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product e_2 e_2 e_4 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_2 e_2 e_4 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.53     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.53  |- ~product e_1 e_3 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_2 e_1 e_3 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product e_2 e_3 e_2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_2 e_1 e_3 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product e_2 e_3 e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product e_1 e_2 e_3 \/ ~product e_4 e_1 e_4 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_2 e_3 e_3 \/ ~product e_4 e_1 e_4 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_1 e_2 \/ product e_4 e_3 e_1
% 20.36/20.53  |- ~product $_1040 $_1041 e_3 \/ ~product e_2 $_1041 $_1040 \/
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% 20.36/20.53     product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_1 e_3 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1045 e_2 e_4 \/ ~product $_1045 e_3 e_2 \/
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% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1045 e_2 e_4 \/ ~product $_1045 e_3 e_2 \/
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% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
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% 20.36/20.53     product e_4 e_1 e_2
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% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
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% 20.36/20.53     product e_4 e_3 e_1
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% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
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% 20.36/20.53     product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_3 e_3 \/ ~product e_4 e_2 e_4 \/ product e_4 e_2 e_1 \/
% 20.36/20.53     product e_4 e_2 e_2 \/ product e_4 e_3 e_1
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% 20.36/20.53     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1051 $_1052 e_3 \/ ~product e_2 $_1052 $_1051 \/
% 20.36/20.53     $_1052 == e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.53  |- ~product $_1056 $_1057 e_1 \/ ~product e_3 $_1057 $_1056 \/
% 20.36/20.53     $_1057 == e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_3 e_4 e_1
% 20.36/20.53  |- ~product $_1062 $_1063 e_3 \/ ~product e_1 $_1063 $_1062 \/
% 20.36/20.53     $_1063 == e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/
% 20.36/20.53     product e_2 e_4 e_2
% 20.36/20.53  |- ~product $_1065 $_1066 e_1 \/ ~product e_2 $_1066 $_1065 \/
% 20.36/20.53     $_1066 == e_4 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product $_1070 $_1071 e_3 \/ ~product e_2 $_1071 $_1070 \/
% 20.36/20.53     $_1071 == e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1075 e_2 e_4 \/ ~product $_1075 e_4 e_3 \/
% 20.36/20.53     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.53     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1075 e_2 e_4 \/ ~product $_1075 e_4 e_3 \/
% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.53     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1075 e_2 e_4 \/ ~product $_1075 e_4 e_3 \/
% 20.36/20.53     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1078 e_1 e_2 \/ ~product $_1078 e_2 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.53     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1076 $_1077 e_3 \/ ~product e_1 $_1077 $_1076 \/
% 20.36/20.53     $_1077 == e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.53     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_4 e_4 \/ ~product e_2 e_1 e_3 \/ product e_1 e_4 e_1 \/
% 20.36/20.53     product e_1 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.53     product e_3 e_1 e_3
% 20.36/20.53  |- ~product e_1 e_4 e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.53     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.53  |- ~product e_1 e_4 $_1084 \/ ~product e_2 e_1 $_1084 \/
% 20.36/20.53     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 20.36/20.53  |- ~product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.53     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.53  |- ~product e_3 e_1 $_1088 \/ ~product e_4 e_4 $_1088 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_1 e_2 $_1088 \/ ~product e_3 e_1 $_1088 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_1 e_2 e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_1 e_2 e_2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_1 e_2 e_2 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.53     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_1 e_2 $_1093 \/ ~product e_4 e_4 $_1093 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product e_3 e_2 $_1097 \/ ~product e_4 e_4 $_1097 \/
% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_1 $_1097 \/ ~product e_3 e_2 $_1097 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 $_1097 \/ ~product e_3 e_2 $_1097 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 $_1097 \/ ~product e_3 e_2 $_1097 \/ cycle e_2 e_0 \/
% 20.36/20.53     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.53     product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 $_1097 \/ ~product e_3 e_2 $_1097 \/
% 20.36/20.53     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_1 e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.53     product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_1 $_1117 \/ ~product e_3 e_2 $_1117 \/ cycle e_2 e_0 \/
% 20.36/20.53     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.53     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_1 $_1117 \/ ~product e_3 e_2 $_1117 \/ cycle e_2 e_0 \/
% 20.36/20.53     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_1 $_1117 \/ ~product e_3 e_2 $_1117 \/
% 20.36/20.53     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_1 $_1117 \/ ~product e_3 e_2 $_1117 \/
% 20.36/20.53     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_2 e_1 $_1117 \/ ~product e_3 e_2 $_1117 \/
% 20.36/20.53     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 $_1117 \/ ~product e_3 e_2 $_1117 \/ cycle e_2 e_0 \/
% 20.36/20.53     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 $_1117 \/ ~product e_3 e_2 $_1117 \/
% 20.36/20.53     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 $_1117 \/ ~product e_3 e_2 $_1117 \/
% 20.36/20.53     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.53     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product e_1 e_3 $_1117 \/ ~product e_3 e_2 $_1117 \/
% 20.36/20.53     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 20.36/20.53     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1120 $_1121 e_3 \/ ~product e_2 $_1121 $_1120 \/
% 20.36/20.53     e_1 == $_1120 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.53  |- ~product $_1125 $_1126 e_1 \/ ~product e_3 $_1126 $_1125 \/
% 20.36/20.53     e_2 == $_1125 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.53     product e_3 e_4 e_1
% 20.36/20.53  |- ~product $_1130 $_1131 e_3 \/ ~product e_1 $_1131 $_1130 \/
% 20.36/20.53     e_2 == $_1130 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.53     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/
% 20.36/20.53     product e_2 e_4 e_2
% 20.36/20.53  |- ~product $_1133 $_1134 e_1 \/ ~product e_2 $_1134 $_1133 \/
% 20.36/20.53     e_3 == $_1133 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.53  |- ~product $_1138 $_1139 e_3 \/ ~product e_2 $_1139 $_1138 \/
% 20.36/20.53     e_4 == $_1138 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.53     product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.53  |- ~product $_1146 e_1 e_2 \/ ~product $_1146 e_2 e_4 \/
% 20.36/20.53     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.53     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.53     product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1146 e_1 e_2 \/ ~product $_1146 e_2 e_4 \/
% 20.36/20.53     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_1 e_1 \/
% 20.36/20.53     product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1144 $_1145 e_3 \/ ~product e_1 $_1145 $_1144 \/
% 20.36/20.53     e_4 == $_1144 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.53     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.53  |- ~product $_1147 $_1148 e_3 \/ ~product e_2 $_1148 $_1147 \/
% 20.36/20.53     $_1147 == e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.54  |- ~product $_1152 $_1153 e_1 \/ ~product e_3 $_1153 $_1152 \/
% 20.36/20.54     $_1152 == e_2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.54     product e_3 e_4 e_1
% 20.36/20.54  |- ~product $_1157 $_1158 e_3 \/ ~product e_1 $_1158 $_1157 \/
% 20.36/20.54     $_1157 == e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.54     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/
% 20.36/20.54     product e_2 e_4 e_2
% 20.36/20.54  |- ~product $_1160 $_1161 e_1 \/ ~product e_2 $_1161 $_1160 \/
% 20.36/20.54     $_1160 == e_3 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 20.36/20.54  |- ~product $_1165 $_1166 e_3 \/ ~product e_2 $_1166 $_1165 \/
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% 20.36/20.54     product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.54  |- ~product $_1171 $_1172 e_3 \/ ~product e_1 $_1172 $_1171 \/
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% 20.36/20.54     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
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% 20.36/20.54     product e_1 e_3 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.54     product e_4 e_2 e_2
% 20.36/20.54  |- ~product e_2 e_1 e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.54     product e_1 e_2 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.54     product e_4 e_2 e_2
% 20.36/20.54  |- ~product e_2 e_1 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.54     product e_3 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.54     product e_4 e_2 e_2
% 20.36/20.54  |- ~product e_1 e_3 e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.54     product e_1 e_2 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.54     product e_4 e_2 e_2
% 20.36/20.54  |- ~product e_1 e_3 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.54     product e_3 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.54     product e_4 e_2 e_2
% 20.36/20.54  |- ~product e_1 e_4 e_3 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.54     product e_1 e_3 e_3 \/ product e_3 e_4 e_1 \/ product e_4 e_3 e_1
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% 20.36/20.54     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.36/20.54  |- ~product e_3 e_3 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.54     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.54  |- ~product e_1 e_1 e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
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% 20.36/20.54     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.54  |- ~cycle e_3 $_1329 \/ ~greater $_1329 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.54     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1
% 20.36/20.54  |- ~cycle e_3 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.54     product e_1 e_3 e_3 \/ product e_3 e_1 e_1
% 20.36/20.54  |- cycle e_3 e_0 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2
% 20.36/20.54  |- ~product $_476 $_476 e_2 \/ ~product $_476 e_3 e_1 \/ $_476 == e_3 \/
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% 20.36/20.54     product e_1 e_3 e_1
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% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_1 \/
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% 20.36/20.54  |- ~product $_377 $_377 e_2 \/ ~product $_377 e_3 e_1 \/ e_1 == $_377 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
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% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_1 \/
% 20.36/20.54     $X1 == e_1 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
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% 20.36/20.54  |- ~product $W e_3 e_2 \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $Z e_3 e_2 \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 $W e_2 \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 $Z e_2 \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 $W \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $_381 e_3 e_1 \/ ~product $_381 e_4 e_3 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.54  |- ~product e_1 e_1 e_4 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.54     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.54  |- cycle e_3 e_0 \/ product e_1 e_3 e_1 \/ product e_4 e_3 e_1
% 20.36/20.54  |- ~product e_2 $Y1 e_2 \/ ~product e_2 e_3 e_1 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_2 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.54  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_3 e_4 \/ $_476 == e_3 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ e_3 == $_480 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_3 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_3 e_4 \/ e_3 == $_477 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.36/20.54     $Y1 == e_3 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.36/20.54     e_3 == $Y2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.54     $Y1 == e_3 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.54     e_3 == $Y2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_3 e_4 \/ e_4 == $_377 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_3 e_4 \/ $_376 == e_4 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ e_1 == $_380 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ $_380 == e_1 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.36/20.54     $X1 == e_1 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.36/20.54     e_1 == $X2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.54     $X1 == e_4 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.54     e_4 == $X2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 e_4 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~product e_1 e_3 $_380 \/ ~product e_3 e_2 $_380 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.54  |- ~product e_4 e_2 e_2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.54  |- ~cycle e_3 $_1417 \/ ~greater $_1417 e_0 \/ product e_2 e_4 e_1 \/
% 20.36/20.54     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 20.36/20.54  |- ~cycle e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.54     product e_3 e_1 e_1
% 20.36/20.54  |- cycle e_3 e_0 \/ product e_2 e_4 e_1
% 20.36/20.54  |- ~product e_1 e_4 e_3 \/ ~product e_2 e_2 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.54  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_4 e_2 \/ $_476 == e_4 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_4 $_480 \/ ~product e_2 e_2 $_480 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_4 $_480 \/ ~product e_2 $_480 $_480 \/ e_4 == $_480 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_4 e_2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_4 $_480 \/ ~product e_2 $_480 $_480 \/ $_480 == e_4 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_4 e_2 \/ e_4 == $_477 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y1 $X1 \/
% 20.36/20.54     $Y1 == e_4 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y2 $X2 \/
% 20.36/20.54     e_4 == $Y2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_4 e_2 \/
% 20.36/20.54     $Y1 == e_4 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_4 e_2 \/
% 20.36/20.54     e_4 == $Y2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_4 e_2 \/ e_2 == $_377 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_4 e_2 \/ $_376 == e_2 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_4 $_380 \/ ~product e_2 $_380 $_380 \/ e_1 == $_380 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_4 $_380 \/ ~product e_2 $_380 $_380 \/ $_380 == e_1 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y1 $X1 \/
% 20.36/20.54     $X1 == e_1 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_4 $Z1 \/ ~product e_2 $Y2 $X2 \/
% 20.36/20.54     e_1 == $X2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_4 e_2 \/
% 20.36/20.54     $X1 == e_2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_4 e_2 \/
% 20.36/20.54     e_2 == $X2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_4 e_2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $W e_4 e_1 \/ $W == e_2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_2 $W e_1 \/ $W == e_4 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_2 e_4 $W \/ $W == e_1 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ cycle e_3 e_0
% 20.36/20.54  |- cycle e_3 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.54     product e_2 e_1 e_3
% 20.36/20.54  |- ~product $_476 $_476 e_3 \/ ~product $_476 e_1 e_2 \/ $_476 == e_1 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product $_481 e_1 e_2 \/ ~product $_481 e_3 e_3 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product $_477 $_477 e_3 \/ ~product $_477 e_1 e_2 \/ e_1 == $_477 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product $X1 $Y1 e_3 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_2 \/
% 20.36/20.54     $Y1 == e_1 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.54     product e_2 e_1 e_2
% 20.36/20.54  |- ~product $X2 $Y2 e_3 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_2 \/
% 20.36/20.54     e_1 == $Y2 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.54     product e_2 e_1 e_2
% 20.36/20.54  |- ~product $_377 $_377 e_3 \/ ~product $_377 e_1 e_2 \/ e_2 == $_377 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product $_376 $_376 e_3 \/ ~product $_376 e_1 e_2 \/ $_376 == e_2 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product $X1 $Y1 e_3 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_2 \/
% 20.36/20.54     $X1 == e_2 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.54     product e_2 e_1 e_2
% 20.36/20.54  |- ~product $X2 $Y2 e_3 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_2 \/
% 20.36/20.54     e_2 == $X2 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.54     product e_2 e_1 e_2
% 20.36/20.54  |- ~product $W e_1 e_3 \/ $W == e_2 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product $Z e_1 e_3 \/ e_2 == $Z \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product e_2 $W e_3 \/ $W == e_1 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product e_2 $Z e_3 \/ e_1 == $Z \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product e_2 e_1 $W \/ $W == e_3 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product e_2 e_1 $Z \/ e_3 == $Z \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~product $_381 e_1 e_2 \/ ~product $_381 e_2 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.54     product e_4 e_2 e_2
% 20.36/20.54  |- ~cycle e_2 $Y \/ ~greater $Y e_0 \/ ~next e_2 $X1 \/ e_3 == $X1 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.54  |- ~cycle e_2 e_0 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.54     product e_2 e_1 e_2
% 20.36/20.54  |- ~product e_3 e_1 e_1 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.54  |- ~product e_3 e_3 e_1 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.54  |- cycle e_3 e_0 \/ product e_3 e_2 e_1
% 20.36/20.54  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_2 e_3 \/ $_476 == e_2 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ e_2 == $_480 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_2 e_3 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_2 $_480 \/ ~product e_3 $_480 $_480 \/ $_480 == e_2 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_2 e_3 \/ e_2 == $_477 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
% 20.36/20.54     $Y1 == e_2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
% 20.36/20.54     e_2 == $Y2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_2 e_3 \/
% 20.36/20.54     $Y1 == e_2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_2 e_3 \/
% 20.36/20.54     e_2 == $Y2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_2 e_3 \/ e_3 == $_377 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_2 e_3 \/ $_376 == e_3 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ e_1 == $_380 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_2 $_380 \/ ~product e_3 $_380 $_380 \/ $_380 == e_1 \/
% 20.36/20.54     cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y1 $X1 \/
% 20.36/20.54     $X1 == e_1 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_2 $Z1 \/ ~product e_3 $Y2 $X2 \/
% 20.36/20.54     e_1 == $X2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_2 e_3 \/
% 20.36/20.54     $X1 == e_3 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_2 e_3 \/
% 20.36/20.54     e_3 == $X2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_1 e_2 e_3 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $W e_2 e_1 \/ $W == e_3 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_3 $W e_1 \/ $W == e_2 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_3 e_2 $W \/ $W == e_1 \/ cycle e_3 e_0
% 20.36/20.54  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ cycle e_3 e_0
% 20.36/20.54  |- cycle e_3 e_0 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.54  |- ~product e_1 e_2 $_380 \/ ~product e_2 e_4 $_380 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_3 e_4 e_1
% 20.36/20.54  |- ~product e_2 e_3 e_1 \/ cycle e_3 e_0 \/ product e_4 e_2 e_1 \/
% 20.36/20.54     product e_4 e_2 e_2 \/ product e_4 e_3 e_1
% 20.36/20.54  |- ~product e_2 e_4 e_2 \/ ~product e_3 e_1 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $_476 $_476 e_2 \/ ~product $_476 e_1 e_4 \/ $_476 == e_1 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product e_2 e_1 $_480 \/ ~product e_4 $_480 $_480 \/ e_1 == $_480 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $_481 e_1 e_4 \/ ~product $_481 e_2 e_2 \/ cycle e_3 e_0 \/
% 20.36/20.54     product e_4 e_1 e_1
% 20.36/20.54  |- ~product e_2 e_1 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_1 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $_477 $_477 e_2 \/ ~product $_477 e_1 e_4 \/ e_1 == $_477 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.36/20.54     $Y1 == e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.36/20.54     e_1 == $Y2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_4 \/
% 20.36/20.54     $Y1 == e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_4 \/
% 20.36/20.54     e_1 == $Y2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $_377 $_377 e_2 \/ ~product $_377 e_1 e_4 \/ e_4 == $_377 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $_376 $_376 e_2 \/ ~product $_376 e_1 e_4 \/ $_376 == e_4 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product e_2 e_1 $_380 \/ ~product e_4 $_380 $_380 \/ e_2 == $_380 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product e_2 e_1 $_380 \/ ~product e_4 $_380 $_380 \/ $_380 == e_2 \/
% 20.36/20.54     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $X1 $Y1 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.36/20.54     $X1 == e_2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $X2 $Y2 $Z1 \/ ~product e_2 e_1 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.36/20.54     e_2 == $X2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.54  |- ~product $X1 $Y1 e_2 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_1 e_4 \/
% 20.36/20.54     $X1 == e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X2 $Y2 e_2 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_1 e_4 \/
% 20.36/20.55     e_4 == $X2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_2 e_1 e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $_381 e_1 e_4 \/ ~product $_381 e_4 e_3 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~greater e_2 e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_2 e_1 $_380 \/ ~product e_3 e_2 $_380 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.55  |- cycle e_3 e_0 \/ product e_4 e_1 e_1 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_2 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.55  |- ~product $_476 $_476 e_1 \/ ~product $_476 e_3 e_4 \/ $_476 == e_3 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ e_3 == $_480 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $_481 e_1 e_1 \/ ~product $_481 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_3 $_480 \/ ~product e_4 $_480 $_480 \/ $_480 == e_3 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $_477 $_477 e_1 \/ ~product $_477 e_3 e_4 \/ e_3 == $_477 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.36/20.55     $Y1 == e_3 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.36/20.55     e_3 == $Y2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.55     $Y1 == e_3 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.55     e_3 == $Y2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $_377 $_377 e_1 \/ ~product $_377 e_3 e_4 \/ e_4 == $_377 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $_376 $_376 e_1 \/ ~product $_376 e_3 e_4 \/ $_376 == e_4 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ e_1 == $_380 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_3 $_380 \/ ~product e_4 $_380 $_380 \/ $_380 == e_1 \/
% 20.36/20.55     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X1 $Y1 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y1 $X1 \/
% 20.36/20.55     $X1 == e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X2 $Y2 $Z1 \/ ~product e_1 e_3 $Z1 \/ ~product e_4 $Y2 $X2 \/
% 20.36/20.55     e_1 == $X2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X1 $Y1 e_1 \/ ~product $Z2 $Y1 $X1 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.55     $X1 == e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $X2 $Y2 e_1 \/ ~product $Z2 $Y2 $X2 \/ ~product $Z2 e_3 e_4 \/
% 20.36/20.55     e_4 == $X2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_3 e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_3 $_380 \/ ~product e_3 e_2 $_380 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.55  |- ~product e_4 e_1 e_1 \/ cycle e_3 e_0 \/ product e_4 e_2 e_1 \/
% 20.36/20.55     product e_4 e_2 e_2
% 20.36/20.55  |- ~product e_1 e_2 e_1 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_1 e_2 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_2 e_1 e_3 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_2 e_3 \/ cycle e_3 e_0
% 20.36/20.55  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_1 e_3 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.55     product e_3 e_1 e_3
% 20.36/20.55  |- ~product $_1501 e_2 e_3 \/ ~product $_1501 e_4 e_2 \/ cycle e_3 e_0
% 20.36/20.55  |- ~product $_1501 e_3 e_4 \/ ~product $_1501 e_4 e_2 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1
% 20.36/20.55  |- ~product $_1501 e_3 e_4 \/ ~product $_1501 e_4 e_2 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_1 e_3 e_1
% 20.36/20.55  |- ~product $_1499 $_1500 e_1 \/ ~product e_3 $_1500 $_1499 \/
% 20.36/20.55     e_4 == $_1500 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_2 e_3 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_3 e_4 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1 \/
% 20.36/20.55     product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_3 e_3 e_4 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1508 $_1509 e_1 \/ ~product e_3 $_1509 $_1508 \/
% 20.36/20.55     $_1509 == e_4 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1519 $_1520 e_1 \/ ~product e_3 $_1520 $_1519 \/
% 20.36/20.55     $_1519 == e_2 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1524 $_1525 e_1 \/ ~product e_3 $_1525 $_1524 \/
% 20.36/20.55     e_2 == $_1524 \/ cycle e_3 e_0 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_1 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_2 e_1 \/ ~product e_3 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_2 e_1 \/ ~product e_3 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_1 e_3 e_1
% 20.36/20.55  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.55     product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_1 e_2 $_1531 \/ ~product e_3 e_3 $_1531 \/ cycle e_3 e_0
% 20.36/20.55  |- ~product e_2 e_1 e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1 \/
% 20.36/20.55     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.55  |- ~product e_2 e_3 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.55  |- ~product $_1548 e_2 e_1 \/ ~product $_1548 e_3 e_2 \/
% 20.36/20.55     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.55     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.55  |- ~product $_1548 e_1 e_3 \/ ~product $_1548 e_2 e_1 \/
% 20.36/20.55     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.55     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_2 e_2 e_1 \/ product e_1 e_2 e_1 \/
% 20.36/20.55     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.36/20.55  |- ~product $_1546 $_1547 e_4 \/ ~product e_3 $_1547 $_1546 \/
% 20.36/20.55     e_2 == $_1547 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3
% 20.36/20.55  |- ~product e_2 e_4 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_4 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3
% 20.36/20.55  |- ~product $_1555 e_1 e_2 \/ ~product $_1555 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.55     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.36/20.55  |- ~product $_1555 e_2 e_3 \/ ~product $_1555 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.55     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_3 e_3 e_1 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_3 e_3 e_1 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_1 e_4 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_3 e_3 e_1 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2
% 20.36/20.55  |- ~product $_1553 $_1554 e_4 \/ ~product e_2 $_1554 $_1553 \/
% 20.36/20.55     e_3 == $_1554 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3
% 20.36/20.55  |- ~product e_2 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.55     product e_3 e_2 e_3
% 20.36/20.55  |- ~product e_2 e_4 e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3
% 20.36/20.55  |- ~product $_1562 e_1 e_2 \/ ~product $_1562 e_2 e_3 \/
% 20.36/20.55     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.55     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_3 e_1 e_2 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/
% 20.36/20.55     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_3 e_1 e_2 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2
% 20.36/20.55  |- ~product e_2 e_4 e_4 \/ ~product e_3 e_1 e_2 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1560 $_1561 e_4 \/ ~product e_3 $_1561 $_1560 \/
% 20.36/20.55     e_1 == $_1561 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.55  |- ~product e_3 e_4 e_4 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.55  |- ~product $_1568 e_3 e_2 \/ ~product $_1568 e_4 e_3 \/
% 20.36/20.55     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.55     product e_3 e_1 e_1
% 20.36/20.55  |- ~product $_1568 e_3 e_2 \/ ~product $_1568 e_4 e_3 \/
% 20.36/20.55     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.55     product e_1 e_4 e_1
% 20.36/20.55  |- ~product $_1568 e_2 e_4 \/ ~product $_1568 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.55     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_1 \/ ~product e_3 e_3 e_2 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_1 \/ ~product e_3 e_3 e_2 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2
% 20.36/20.55  |- ~product e_2 e_4 e_1 \/ ~product e_3 e_3 e_2 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1566 $_1567 e_1 \/ ~product e_4 $_1567 $_1566 \/
% 20.36/20.55     e_3 == $_1567 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_4 e_2 e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.55     product e_3 e_2 e_3 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_4 e_4 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_3 e_1 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/
% 20.36/20.55     product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_3 e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.55     product e_1 e_3 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2 \/
% 20.36/20.55     product e_4 e_3 e_1
% 20.36/20.55  |- ~product $_1576 e_3 e_2 \/ ~product $_1576 e_4 e_3 \/
% 20.36/20.55     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.55     product e_3 e_1 e_1
% 20.36/20.55  |- ~product $_1576 e_2 e_4 \/ ~product $_1576 e_3 e_2 \/
% 20.36/20.55     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.55     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_1 \/ ~product e_3 e_3 e_2 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_1 \/ ~product e_3 e_3 e_2 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2
% 20.36/20.55  |- ~product e_2 e_4 e_1 \/ ~product e_3 e_3 e_2 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1574 $_1575 e_1 \/ ~product e_4 $_1575 $_1574 \/
% 20.36/20.55     e_3 == $_1575 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_4 e_2 e_4 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.55     product e_3 e_2 e_3 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_4 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_3 e_1 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/
% 20.36/20.55     product e_4 e_3 e_1
% 20.36/20.55  |- ~product e_3 e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.55     product e_2 e_1 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2 \/
% 20.36/20.55     product e_4 e_3 e_1
% 20.36/20.55  |- ~product $_1583 e_1 e_3 \/ ~product $_1583 e_3 e_2 \/
% 20.36/20.55     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.36/20.55     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product e_2 e_4 e_4 \/ ~product e_3 e_3 e_2 \/ product e_2 e_3 e_1 \/
% 20.36/20.55     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1581 $_1582 e_4 \/ ~product e_1 $_1582 $_1581 \/
% 20.36/20.55     e_3 == $_1582 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.55  |- ~product $_1581 $_1582 e_4 \/ ~product e_1 $_1582 $_1581 \/
% 20.36/20.55     e_3 == $_1582 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.55     product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.55     product e_2 e_3 e_3
% 20.36/20.55  |- ~product $_1581 $_1582 e_4 \/ ~product e_1 $_1582 $_1581 \/
% 20.36/20.55     e_3 == $_1582 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/
% 20.36/20.55     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.55  |- ~product e_1 e_1 e_3 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.55     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.36/20.55     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product e_1 e_1 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.55     product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.55     product e_2 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.55     product e_3 e_1 e_3
% 20.36/20.55  |- ~product e_1 e_1 e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/
% 20.36/20.55     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.55     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product $_1587 e_2 e_3 \/ ~product $_1587 e_4 e_2 \/
% 20.36/20.55     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.36/20.55  |- ~product $_1587 e_3 e_4 \/ ~product $_1587 e_4 e_2 \/
% 20.36/20.55     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.55     product e_4 e_1 e_1
% 20.36/20.55  |- ~product $_1587 e_3 e_4 \/ ~product $_1587 e_4 e_2 \/
% 20.36/20.55     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.55     product e_1 e_3 e_1
% 20.36/20.55  |- ~product $_1585 $_1586 e_1 \/ ~product e_3 $_1586 $_1585 \/
% 20.36/20.55     e_4 == $_1586 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_2 e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_3 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3 \/ product e_3 e_4 e_1 \/ product e_4 e_1 e_1
% 20.36/20.55  |- ~product e_3 e_3 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.55     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product $_1596 e_2 e_3 \/ ~product $_1596 e_4 e_2 \/
% 20.36/20.55     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.55  |- ~product $_1596 e_3 e_4 \/ ~product $_1596 e_4 e_2 \/
% 20.36/20.55     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.55  |- ~product $_1594 $_1595 e_1 \/ ~product e_3 $_1595 $_1594 \/
% 20.36/20.55     e_4 == $_1595 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.55     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_2 e_3 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.55     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_3 e_3 e_4 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.55     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.55  |- ~product e_1 e_4 e_2 \/ ~product e_3 e_1 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 20.36/20.55  |- ~product e_1 e_2 e_2 \/ ~product e_4 e_1 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_2 e_1 \/
% 20.36/20.55     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.55  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.55     product e_4 e_2 e_2
% 20.36/20.55  |- ~product e_2 e_3 e_2 \/ ~product e_4 e_1 e_3 \/ product e_2 e_4 e_1 \/
% 20.36/20.55     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_3 e_1
% 20.36/20.55  |- ~product $_1601 $_1602 e_2 \/ ~product e_4 $_1602 $_1601 \/
% 20.36/20.55     e_1 == $_1602 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.55     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_2 e_1 e_3 \/ cycle e_2 e_0 \/
% 20.36/20.55     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_3 e_1 e_1 \/
% 20.36/20.55     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_2 e_1 e_3 \/ product e_2 e_3 e_1 \/
% 20.36/20.55     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.55     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product e_1 e_4 e_4 \/ ~product e_2 e_1 e_3 \/ product e_1 e_2 e_1 \/
% 20.36/20.55     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.55     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.55  |- ~product $_1604 $_1605 e_4 \/ ~product e_2 $_1605 $_1604 \/
% 20.36/20.55     e_1 == $_1605 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.55     product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.55     product e_3 e_1 e_3
% 20.36/20.55  |- ~product $_1604 $_1605 e_4 \/ ~product e_2 $_1605 $_1604 \/
% 20.36/20.55     e_1 == $_1605 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.55     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.55     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1604 $_1605 e_4 \/ ~product e_2 $_1605 $_1604 \/
% 20.36/20.56     e_1 == $_1605 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1604 $_1605 e_4 \/ ~product e_2 $_1605 $_1604 \/
% 20.36/20.56     e_1 == $_1605 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product e_1 e_4 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product e_1 e_4 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1609 e_2 e_3 \/ ~product $_1609 e_3 e_4 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 20.36/20.56     product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_2 e_4 e_1 \/ ~product e_3 e_2 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_3 e_4 e_1
% 20.36/20.56  |- ~product e_1 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_2 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1607 $_1608 e_1 \/ ~product e_4 $_1608 $_1607 \/
% 20.36/20.56     e_2 == $_1608 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1617 e_2 e_3 \/ ~product $_1617 e_3 e_4 \/
% 20.36/20.56     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product e_1 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ product e_2 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1615 $_1616 e_1 \/ ~product e_4 $_1616 $_1615 \/
% 20.36/20.56     e_2 == $_1616 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product e_2 e_2 e_3 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1621 e_2 e_3 \/ ~product $_1621 e_3 e_4 \/
% 20.36/20.56     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.56     product e_4 e_1 e_1
% 20.36/20.56  |- ~product $_1621 e_2 e_3 \/ ~product $_1621 e_3 e_4 \/
% 20.36/20.56     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.56     product e_1 e_3 e_1
% 20.36/20.56  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_2 e_3 \/ product e_1 e_2 e_1 \/
% 20.36/20.56     product e_1 e_2 e_2 \/ product e_1 e_2 e_3
% 20.36/20.56  |- ~product e_1 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ product e_1 e_2 e_1 \/
% 20.36/20.56     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_2 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ product e_1 e_2 e_1 \/
% 20.36/20.56     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1619 $_1620 e_1 \/ ~product e_4 $_1620 $_1619 \/
% 20.36/20.56     e_2 == $_1620 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product e_1 e_3 e_4 \/ ~product e_2 e_2 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.56     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_1 \/
% 20.36/20.56     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.56  |- ~product e_1 e_3 e_1 \/ ~product e_2 e_2 e_4 \/ product e_2 e_1 e_1 \/
% 20.36/20.56     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_1 \/
% 20.36/20.56     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.56  |- ~product e_2 e_3 e_1 \/ ~product e_4 e_2 e_4 \/ product e_3 e_2 e_1 \/
% 20.36/20.56     product e_3 e_2 e_2 \/ product e_3 e_2 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1627 $_1628 e_1 \/ ~product e_3 $_1628 $_1627 \/
% 20.36/20.56     e_2 == $_1628 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.56     product e_3 e_2 e_3
% 20.36/20.56  |- ~product e_1 e_4 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_2 e_1 \/
% 20.36/20.56     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.56  |- ~product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_2 e_1 \/
% 20.36/20.56     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.56  |- ~product e_3 e_3 e_1 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.56     product e_3 e_2 e_3
% 20.36/20.56  |- ~product e_2 e_1 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_2 e_1 \/
% 20.36/20.56     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.56  |- ~product $_1632 $_1633 e_1 \/ ~product e_2 $_1633 $_1632 \/
% 20.36/20.56     e_3 == $_1633 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product e_1 e_4 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1637 $_1638 e_4 \/ ~product e_3 $_1638 $_1637 \/
% 20.36/20.56     $_1638 == e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3
% 20.36/20.56  |- ~product $_1642 $_1643 e_4 \/ ~product e_2 $_1643 $_1642 \/
% 20.36/20.56     $_1643 == e_3 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3
% 20.36/20.56  |- ~product $_1647 $_1648 e_4 \/ ~product e_3 $_1648 $_1647 \/
% 20.36/20.56     $_1648 == e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.56  |- ~product $_1652 $_1653 e_1 \/ ~product e_4 $_1653 $_1652 \/
% 20.36/20.56     $_1653 == e_3 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1657 $_1658 e_1 \/ ~product e_4 $_1658 $_1657 \/
% 20.36/20.56     $_1658 == e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_2 e_1 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1662 $_1663 e_4 \/ ~product e_1 $_1663 $_1662 \/
% 20.36/20.56     $_1663 == e_3 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1662 $_1663 e_4 \/ ~product e_1 $_1663 $_1662 \/
% 20.36/20.56     $_1663 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1662 $_1663 e_4 \/ ~product e_1 $_1663 $_1662 \/
% 20.36/20.56     $_1663 == e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1665 $_1666 e_1 \/ ~product e_3 $_1666 $_1665 \/
% 20.36/20.56     $_1666 == e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_3 e_4 e_1
% 20.36/20.56  |- ~product $_1670 $_1671 e_1 \/ ~product e_3 $_1671 $_1670 \/
% 20.36/20.56     $_1671 == e_4 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.56  |- ~product $_1675 $_1676 e_2 \/ ~product e_4 $_1676 $_1675 \/
% 20.36/20.56     $_1676 == e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.56  |- ~product $_1679 $_1680 e_4 \/ ~product e_2 $_1680 $_1679 \/
% 20.36/20.56     $_1680 == e_1 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.56     product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1679 $_1680 e_4 \/ ~product e_2 $_1680 $_1679 \/
% 20.36/20.56     $_1680 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1679 $_1680 e_4 \/ ~product e_2 $_1680 $_1679 \/
% 20.36/20.56     $_1680 == e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1679 $_1680 e_4 \/ ~product e_2 $_1680 $_1679 \/
% 20.36/20.56     $_1680 == e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1682 $_1683 e_1 \/ ~product e_4 $_1683 $_1682 \/
% 20.36/20.56     $_1683 == e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1686 $_1687 e_1 \/ ~product e_4 $_1687 $_1686 \/
% 20.36/20.56     $_1687 == e_2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product e_4 e_4 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1691 $_1692 e_1 \/ ~product e_4 $_1692 $_1691 \/
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% 20.36/20.56     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product e_4 e_4 e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1701 e_2 e_4 \/ ~product $_1701 e_4 e_3 \/
% 20.36/20.56     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.56     product e_3 e_2 e_3
% 20.36/20.56  |- ~product $_1701 e_2 e_4 \/ ~product $_1701 e_4 e_3 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.56     product e_3 e_2 e_3
% 20.36/20.56  |- ~product $_1701 e_2 e_4 \/ ~product $_1701 e_4 e_3 \/
% 20.36/20.56     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.56     product e_1 e_4 e_1 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.56     product e_3 e_2 e_3
% 20.36/20.56  |- ~product $_1699 $_1700 e_1 \/ ~product e_3 $_1700 $_1699 \/
% 20.36/20.56     $_1700 == e_2 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.56     product e_3 e_2 e_3
% 20.36/20.56  |- ~product $_1707 $_1708 e_1 \/ ~product e_2 $_1708 $_1707 \/
% 20.36/20.56     $_1708 == e_3 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product e_1 e_3 e_1 \/ ~product e_2 e_4 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.56     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.56  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_3 e_4 \/ product e_1 e_2 e_1 \/
% 20.36/20.56     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_3 e_4 \/ product e_1 e_2 e_1 \/
% 20.36/20.56     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.36/20.56  |- ~product e_2 e_1 e_2 \/ ~product e_3 e_3 e_4 \/ product e_2 e_4 e_1 \/
% 20.36/20.56     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product e_2 e_1 $_1723 \/ ~product e_3 e_3 $_1723 \/
% 20.36/20.56     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 20.36/20.56  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_1 e_4 \/ product e_2 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_1 e_2 e_1 \/ ~product e_3 e_3 e_4 \/ product e_2 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product e_1 e_2 $_1727 \/ ~product e_3 e_3 $_1727 \/
% 20.36/20.56     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product e_1 e_2 e_1 \/ ~product e_3 e_3 e_4 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_3 e_4 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product e_1 e_2 $_1731 \/ ~product e_3 e_3 $_1731 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product e_1 e_2 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_1 e_2 $_1735 \/ ~product e_4 e_4 $_1735 \/
% 20.36/20.56     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.56  |- ~product e_1 e_3 $_1739 \/ ~product e_4 e_4 $_1739 \/
% 20.36/20.56     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product e_1 e_3 $_1739 \/ ~product e_2 e_1 $_1739 \/
% 20.36/20.56     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.36/20.56     product e_4 e_1 e_1
% 20.36/20.56  |- ~product e_1 e_3 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.56     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1768 $_1769 e_4 \/ ~product e_3 $_1769 $_1768 \/
% 20.36/20.56     e_1 == $_1768 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3
% 20.36/20.56  |- ~product $_1773 $_1774 e_4 \/ ~product e_2 $_1774 $_1773 \/
% 20.36/20.56     e_1 == $_1773 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3
% 20.36/20.56  |- ~product $_1778 $_1779 e_1 \/ ~product e_4 $_1779 $_1778 \/
% 20.36/20.56     e_2 == $_1778 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_2 e_1 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1783 $_1784 e_4 \/ ~product e_3 $_1784 $_1783 \/
% 20.36/20.56     e_2 == $_1783 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.56  |- ~product $_1788 $_1789 e_1 \/ ~product e_4 $_1789 $_1788 \/
% 20.36/20.56     e_2 == $_1788 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1793 $_1794 e_1 \/ ~product e_3 $_1794 $_1793 \/
% 20.36/20.56     e_2 == $_1793 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.56  |- ~product $_1798 $_1799 e_4 \/ ~product e_1 $_1799 $_1798 \/
% 20.36/20.56     e_2 == $_1798 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1798 $_1799 e_4 \/ ~product e_1 $_1799 $_1798 \/
% 20.36/20.56     e_2 == $_1798 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1798 $_1799 e_4 \/ ~product e_1 $_1799 $_1798 \/
% 20.36/20.56     e_2 == $_1798 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1801 $_1802 e_1 \/ ~product e_3 $_1802 $_1801 \/
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% 20.36/20.56     product e_1 e_2 e_3 \/ product e_3 e_4 e_1
% 20.36/20.56  |- ~product $_1806 $_1807 e_2 \/ ~product e_4 $_1807 $_1806 \/
% 20.36/20.56     e_3 == $_1806 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.56  |- ~product e_4 e_4 e_2 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.56  |- ~product $_1811 $_1812 e_1 \/ ~product e_4 $_1812 $_1811 \/
% 20.36/20.56     e_3 == $_1811 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1816 $_1817 e_4 \/ ~product e_2 $_1817 $_1816 \/
% 20.36/20.56     e_3 == $_1816 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.56     product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1816 $_1817 e_4 \/ ~product e_2 $_1817 $_1816 \/
% 20.36/20.56     e_3 == $_1816 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1816 $_1817 e_4 \/ ~product e_2 $_1817 $_1816 \/
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% 20.36/20.56     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1816 $_1817 e_4 \/ ~product e_2 $_1817 $_1816 \/
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% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1819 $_1820 e_1 \/ ~product e_4 $_1820 $_1819 \/
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% 20.36/20.56     product e_3 e_1 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product e_4 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1824 $_1825 e_1 \/ ~product e_4 $_1825 $_1824 \/
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% 20.36/20.56     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1832 $_1833 e_1 \/ ~product e_3 $_1833 $_1832 \/
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% 20.36/20.56     product e_3 e_2 e_3
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% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1842 $_1843 e_4 \/ ~product e_3 $_1843 $_1842 \/
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% 20.36/20.56     product e_1 e_2 e_3
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% 20.36/20.56     $_1847 == e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3
% 20.36/20.56  |- ~product $_1852 $_1853 e_1 \/ ~product e_4 $_1853 $_1852 \/
% 20.36/20.56     $_1852 == e_2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_2 e_1 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1857 $_1858 e_4 \/ ~product e_3 $_1858 $_1857 \/
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% 20.36/20.56     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.56  |- ~product $_1862 $_1863 e_1 \/ ~product e_4 $_1863 $_1862 \/
% 20.36/20.56     $_1862 == e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.56     product e_1 e_3 e_3 \/ product e_4 e_3 e_1
% 20.36/20.56  |- ~product $_1867 $_1868 e_4 \/ ~product e_1 $_1868 $_1867 \/
% 20.36/20.56     $_1867 == e_2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1867 $_1868 e_4 \/ ~product e_1 $_1868 $_1867 \/
% 20.36/20.56     $_1867 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1867 $_1868 e_4 \/ ~product e_1 $_1868 $_1867 \/
% 20.36/20.56     $_1867 == e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/
% 20.36/20.56     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1870 $_1871 e_1 \/ ~product e_3 $_1871 $_1870 \/
% 20.36/20.56     $_1870 == e_2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_3 e_4 e_1
% 20.36/20.56  |- ~product $_1875 $_1876 e_1 \/ ~product e_3 $_1876 $_1875 \/
% 20.36/20.56     $_1875 == e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_3 e_4 e_1
% 20.36/20.56  |- ~product $_1880 $_1881 e_2 \/ ~product e_4 $_1881 $_1880 \/
% 20.36/20.56     $_1880 == e_3 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.56  |- ~product $_1885 $_1886 e_4 \/ ~product e_2 $_1886 $_1885 \/
% 20.36/20.56     $_1885 == e_3 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.56     product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1885 $_1886 e_4 \/ ~product e_2 $_1886 $_1885 \/
% 20.36/20.56     $_1885 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1885 $_1886 e_4 \/ ~product e_2 $_1886 $_1885 \/
% 20.36/20.56     $_1885 == e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1885 $_1886 e_4 \/ ~product e_2 $_1886 $_1885 \/
% 20.36/20.56     $_1885 == e_3 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.56     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.56     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.56  |- ~product $_1888 $_1889 e_1 \/ ~product e_4 $_1889 $_1888 \/
% 20.36/20.56     $_1888 == e_3 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1893 $_1894 e_1 \/ ~product e_4 $_1894 $_1893 \/
% 20.36/20.56     $_1893 == e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.56     product e_3 e_1 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1898 $_1899 e_1 \/ ~product e_4 $_1899 $_1898 \/
% 20.36/20.56     $_1898 == e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.56     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.56  |- ~product $_1906 $_1907 e_1 \/ ~product e_3 $_1907 $_1906 \/
% 20.36/20.56     $_1906 == e_4 \/ product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/
% 20.36/20.56     product e_3 e_2 e_3
% 20.36/20.56  |- ~product $_1911 $_1912 e_1 \/ ~product e_2 $_1912 $_1911 \/
% 20.36/20.56     $_1911 == e_4 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.56     product e_2 e_3 e_3
% 20.36/20.56  |- ~product $_1969 e_2 e_3 \/ ~product $_1969 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.56     product e_4 e_1 e_1
% 20.36/20.56  |- ~product $_1969 e_2 e_3 \/ ~product $_1969 e_3 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.56     product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_1 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_4 e_3 e_1
% 20.36/20.57  |- ~product $_1967 $_1968 e_1 \/ ~product e_4 $_1968 $_1967 \/
% 20.36/20.57     $_1968 == e_2 \/ cycle e_3 e_0 \/ product e_4 e_2 e_1 \/
% 20.36/20.57     product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_1972 $_1973 e_1 \/ ~product e_4 $_1973 $_1972 \/
% 20.36/20.57     e_2 == $_1973 \/ cycle e_3 e_0 \/ product e_4 e_2 e_1 \/
% 20.36/20.57     product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_1978 $_1979 e_1 \/ ~product e_4 $_1979 $_1978 \/
% 20.36/20.57     $_1978 == e_3 \/ cycle e_3 e_0 \/ product e_4 e_2 e_1 \/
% 20.36/20.57     product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_1981 $_1982 e_1 \/ ~product e_4 $_1982 $_1981 \/
% 20.36/20.57     e_3 == $_1981 \/ cycle e_3 e_0 \/ product e_4 e_2 e_1 \/
% 20.36/20.57     product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_4 e_4 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~cycle e_3 $_2001 \/ ~greater $_2001 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.57  |- ~cycle e_3 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_1 e_1 \/ ~product e_3 e_2 e_4 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 20.36/20.57  |- ~product e_2 e_1 e_2 \/ ~product e_3 e_3 e_4 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_4 e_3 e_1
% 20.36/20.57  |- ~product e_2 e_1 $_2013 \/ ~product e_3 e_3 $_2013 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.57     product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_4 $_2013 \/ ~product e_2 e_1 $_2013 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.57     product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_4 e_4 e_1 \/ cycle e_3 e_0 \/ product e_4 e_2 e_1 \/
% 20.36/20.57     product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_2053 e_1 e_4 \/ ~product $_2053 e_3 e_1 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2051 $_2052 e_2 \/ ~product e_4 $_2052 $_2051 \/
% 20.36/20.57     e_3 == $_2052 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_4 e_1 e_4 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_4 e_4 e_2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_2 e_1 e_2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_2057 $_2058 e_2 \/ ~product e_4 $_2058 $_2057 \/
% 20.36/20.57     $_2058 == e_3 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2062 $_2063 e_2 \/ ~product e_4 $_2063 $_2062 \/
% 20.36/20.57     e_1 == $_2062 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2067 $_2068 e_2 \/ ~product e_4 $_2068 $_2067 \/
% 20.36/20.57     $_2067 == e_1 \/ cycle e_3 e_0 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2078 e_2 e_3 \/ ~product $_2078 e_3 e_4 \/
% 20.36/20.57     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ product e_1 e_4 e_1 \/
% 20.36/20.57     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ product e_1 e_4 e_1 \/
% 20.36/20.57     product e_1 e_4 e_2 \/ product e_4 e_3 e_1
% 20.36/20.57  |- ~product $_2076 $_2077 e_1 \/ ~product e_4 $_2077 $_2076 \/
% 20.36/20.57     $_2077 == e_2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_1 e_4 \/ product e_1 e_4 e_1 \/
% 20.36/20.57     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_2 e_1 \/ ~product e_3 e_3 e_4 \/ product e_1 e_4 e_1 \/
% 20.36/20.57     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_3 e_4 \/ product e_1 e_4 e_1 \/
% 20.36/20.57     product e_1 e_4 e_2 \/ product e_4 e_3 e_1
% 20.36/20.57  |- ~product e_1 e_2 $_2083 \/ ~product e_3 e_3 $_2083 \/
% 20.36/20.57     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 20.36/20.57  |- ~product $_2088 $_2089 e_1 \/ ~product e_4 $_2089 $_2088 \/
% 20.36/20.57     e_2 == $_2089 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_2097 $_2098 e_1 \/ ~product e_4 $_2098 $_2097 \/
% 20.36/20.57     $_2097 == e_3 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_2100 $_2101 e_1 \/ ~product e_4 $_2101 $_2100 \/
% 20.36/20.57     e_3 == $_2100 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_2111 e_1 e_4 \/ ~product $_2111 e_3 e_1 \/
% 20.36/20.57     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2109 $_2110 e_2 \/ ~product e_4 $_2110 $_2109 \/
% 20.36/20.57     e_3 == $_2110 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_4 e_1 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_4 e_4 e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_2 e_1 e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.57     product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_2117 e_1 e_3 \/ ~product $_2117 e_4 e_1 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 20.36/20.57     product e_1 e_4 e_1 \/ product e_3 e_1 e_1
% 20.36/20.57  |- ~product $_2115 $_2116 e_2 \/ ~product e_3 $_2116 $_2115 \/
% 20.36/20.57     e_4 == $_2116 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_1 e_4 e_1
% 20.36/20.57  |- ~product e_3 e_1 e_3 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_1 e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_3 \/ ~product e_4 e_1 e_2 \/ product e_1 e_4 e_1 \/
% 20.36/20.57     product e_1 e_4 e_2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ product e_1 e_4 e_1 \/
% 20.36/20.57     product e_1 e_4 e_2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.57  |- ~product $_2121 $_2122 e_3 \/ ~product e_4 $_2122 $_2121 \/
% 20.36/20.57     e_1 == $_2122 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_3 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_4 e_4 e_3 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_4 e_2 \/ ~product e_3 e_1 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_2 e_2 \/ ~product e_4 e_1 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_2 e_3 e_2 \/ ~product e_4 e_1 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_4 e_3 e_1
% 20.36/20.57  |- ~product $_2126 $_2127 e_2 \/ ~product e_4 $_2127 $_2126 \/
% 20.36/20.57     e_1 == $_2127 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product e_1 e_4 e_2 \/ ~product e_3 e_1 e_3 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_2 e_2 \/ ~product e_4 e_1 e_3 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_3 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_2 e_3 e_2 \/ ~product e_4 e_1 e_3 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_4 e_3 e_1
% 20.36/20.57  |- ~product $_2129 $_2130 e_2 \/ ~product e_4 $_2130 $_2129 \/
% 20.36/20.57     e_1 == $_2130 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_4 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_2 \/ ~product e_4 e_1 e_4 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2141 $_2142 e_2 \/ ~product e_3 $_2142 $_2141 \/
% 20.36/20.57     e_1 == $_2142 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.57     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_3 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.57     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_4 \/ product e_1 e_2 e_1 \/
% 20.36/20.57     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_2 \/ ~product e_4 e_1 e_4 \/ product e_1 e_2 e_1 \/
% 20.36/20.57     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_4 \/ product e_2 e_3 e_1 \/
% 20.36/20.57     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_2 \/ ~product e_4 e_1 e_4 \/ product e_2 e_3 e_1 \/
% 20.36/20.57     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2165 $_2166 e_2 \/ ~product e_4 $_2166 $_2165 \/
% 20.36/20.57     $_2166 == e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2170 $_2171 e_2 \/ ~product e_3 $_2171 $_2170 \/
% 20.36/20.57     $_2171 == e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_1 e_4 e_1
% 20.36/20.57  |- ~product $_2175 $_2176 e_3 \/ ~product e_4 $_2176 $_2175 \/
% 20.36/20.57     $_2176 == e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2180 $_2181 e_2 \/ ~product e_4 $_2181 $_2180 \/
% 20.36/20.57     $_2181 == e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product e_4 e_4 e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product $_2185 $_2186 e_2 \/ ~product e_4 $_2186 $_2185 \/
% 20.36/20.57     $_2186 == e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product e_4 e_4 e_2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product $_2205 $_2206 e_2 \/ ~product e_3 $_2206 $_2205 \/
% 20.36/20.57     $_2206 == e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.57     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_1 $_2224 \/ ~product e_3 e_3 $_2224 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.57     product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_4 $_2224 \/ ~product e_2 e_1 $_2224 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 20.36/20.57     product e_3 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_1 $_2238 \/ ~product e_4 e_4 $_2238 \/
% 20.36/20.57     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_1 $_2242 \/ ~product e_4 e_4 $_2242 \/
% 20.36/20.57     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 $_2242 \/ ~product e_2 e_1 $_2242 \/
% 20.36/20.57     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_1 $_2247 \/ ~product e_4 e_4 $_2247 \/
% 20.36/20.57     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 $_2247 \/ ~product e_2 e_1 $_2247 \/
% 20.36/20.57     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 $_2252 \/ ~product e_4 e_4 $_2252 \/
% 20.36/20.57     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.57     product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_1 e_3 $_2256 \/ ~product e_4 e_4 $_2256 \/
% 20.36/20.57     product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 $_2260 \/ ~product e_4 e_4 $_2260 \/
% 20.36/20.57     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_4 e_4 e_1 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_4 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.57     product e_2 e_3 e_3
% 20.36/20.57  |- ~product $_2300 $_2301 e_2 \/ ~product e_4 $_2301 $_2300 \/
% 20.36/20.57     e_1 == $_2300 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2305 $_2306 e_2 \/ ~product e_3 $_2306 $_2305 \/
% 20.36/20.57     e_1 == $_2305 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_1 e_4 e_1
% 20.36/20.57  |- ~product $_2310 $_2311 e_3 \/ ~product e_4 $_2311 $_2310 \/
% 20.36/20.57     e_2 == $_2310 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2315 $_2316 e_2 \/ ~product e_4 $_2316 $_2315 \/
% 20.36/20.57     e_3 == $_2315 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product $_2320 $_2321 e_2 \/ ~product e_4 $_2321 $_2320 \/
% 20.36/20.57     e_3 == $_2320 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product $_2340 $_2341 e_2 \/ ~product e_3 $_2341 $_2340 \/
% 20.36/20.57     e_4 == $_2340 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.57     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2354 $_2355 e_2 \/ ~product e_4 $_2355 $_2354 \/
% 20.36/20.57     $_2354 == e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2359 $_2360 e_2 \/ ~product e_3 $_2360 $_2359 \/
% 20.36/20.57     $_2359 == e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_1 e_4 e_1
% 20.36/20.57  |- ~product $_2364 $_2365 e_3 \/ ~product e_4 $_2365 $_2364 \/
% 20.36/20.57     $_2364 == e_2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2369 $_2370 e_2 \/ ~product e_4 $_2370 $_2369 \/
% 20.36/20.57     $_2369 == e_3 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 20.36/20.57     product e_1 e_3 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product $_2374 $_2375 e_2 \/ ~product e_4 $_2375 $_2374 \/
% 20.36/20.57     $_2374 == e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_1 e_2
% 20.36/20.57  |- ~product $_2391 $_2392 e_2 \/ ~product e_3 $_2392 $_2391 \/
% 20.36/20.57     $_2391 == e_4 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.57     product e_3 e_1 e_3 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_4 e_4 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 20.36/20.57     product e_3 e_1 e_3
% 20.36/20.57  |- ~product e_3 e_2 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.57     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.57     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.57     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.57  |- ~product e_2 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.57     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_3 e_1
% 20.36/20.57  |- ~product $_2489 $_2490 e_3 \/ ~product e_4 $_2490 $_2489 \/
% 20.36/20.57     e_1 == $_2490 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1 \/
% 20.36/20.57     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_4 e_4 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2494 $_2495 e_3 \/ ~product e_4 $_2495 $_2494 \/
% 20.36/20.57     $_2495 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2499 $_2500 e_3 \/ ~product e_4 $_2500 $_2499 \/
% 20.36/20.57     $_2499 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2504 $_2505 e_3 \/ ~product e_4 $_2505 $_2504 \/
% 20.36/20.57     e_2 == $_2504 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 $_2519 \/ ~product e_4 e_4 $_2519 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_3 \/ ~product e_4 e_1 e_2 \/ product e_1 e_2 e_1 \/
% 20.36/20.57     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ product e_1 e_2 e_1 \/
% 20.36/20.57     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ product e_1 e_2 e_1 \/
% 20.36/20.57     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 20.36/20.57     product e_2 e_3 e_3
% 20.36/20.57  |- ~product e_2 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ product e_1 e_2 e_1 \/
% 20.36/20.57     product e_1 e_2 e_2 \/ product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_4 e_3 e_1
% 20.36/20.57  |- ~product $_2545 $_2546 e_3 \/ ~product e_4 $_2546 $_2545 \/
% 20.36/20.57     e_1 == $_2546 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_4 e_4 e_3 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2557 $_2558 e_3 \/ ~product e_4 $_2558 $_2557 \/
% 20.36/20.57     $_2558 == e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2583 $_2584 e_3 \/ ~product e_4 $_2584 $_2583 \/
% 20.36/20.57     e_2 == $_2583 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2594 $_2595 e_3 \/ ~product e_4 $_2595 $_2594 \/
% 20.36/20.57     $_2594 == e_2 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_2 e_4 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.57  |- ~product $_2621 e_1 e_4 \/ ~product $_2621 e_3 e_1 \/ cycle e_2 e_0 \/
% 20.36/20.57     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product $_2619 $_2620 e_2 \/ ~product e_4 $_2620 $_2619 \/
% 20.36/20.57     e_3 == $_2620 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_4 e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_4 e_4 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_2 e_1 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.57     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product $_2625 $_2626 e_2 \/ ~product e_4 $_2626 $_2625 \/
% 20.36/20.57     $_2626 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2630 $_2631 e_2 \/ ~product e_4 $_2631 $_2630 \/
% 20.36/20.57     e_1 == $_2630 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product $_2635 $_2636 e_2 \/ ~product e_4 $_2636 $_2635 \/
% 20.36/20.57     $_2635 == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.57  |- ~product e_1 e_4 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.57     product e_1 e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/
% 20.36/20.57     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.57  |- ~product e_2 e_4 e_4 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 20.36/20.57     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_1 \/
% 20.36/20.57     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.57  |- ~product e_2 e_1 $_2658 \/ ~product e_4 e_4 $_2658 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 $_2658 \/ ~product e_2 e_1 $_2658 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_3 e_3 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.57     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.57  |- ~product e_1 e_3 e_2 \/ ~product e_4 e_1 e_4 \/ cycle e_3 e_0 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.57  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_2 e_3 \/ cycle e_2 e_0 \/
% 20.36/20.57     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.57  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.57     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.57     product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2691 e_2 e_3 \/ ~product $_2691 e_4 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.58  |- ~product $_2691 e_3 e_4 \/ ~product $_2691 e_4 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2689 $_2690 e_1 \/ ~product e_3 $_2690 $_2689 \/
% 20.36/20.58     $_2690 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product e_3 e_2 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product e_3 e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2700 $_2701 e_1 \/ ~product e_3 $_2701 $_2700 \/
% 20.36/20.58     e_4 == $_2701 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product $_2711 $_2712 e_1 \/ ~product e_3 $_2712 $_2711 \/
% 20.36/20.58     e_2 == $_2711 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product $_2716 $_2717 e_1 \/ ~product e_3 $_2717 $_2716 \/
% 20.36/20.58     $_2716 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product e_1 e_3 $_2727 \/ ~product e_4 e_4 $_2727 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product e_1 e_3 $_2727 \/ ~product e_2 e_1 $_2727 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2735 e_3 e_4 \/ ~product $_2735 e_4 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product $_2735 e_2 e_3 \/ ~product $_2735 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product e_3 e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product e_1 e_3 $_2755 \/ ~product e_4 e_4 $_2755 \/ cycle e_3 e_0 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_3 e_2 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_3 e_0 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_3 e_0 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.58  |- ~product e_1 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_3 e_0 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_3 e_1 \/
% 20.36/20.58     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 20.36/20.58  |- ~product e_2 e_3 e_3 \/ ~product e_4 e_1 e_2 \/ cycle e_3 e_0 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_3 e_1
% 20.36/20.58  |- ~product $_2778 $_2779 e_3 \/ ~product e_4 $_2779 $_2778 \/
% 20.36/20.58     $_2779 == e_1 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.58     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_3 e_2 e_3 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.58     product e_2 e_1 e_2 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_4 e_4 e_3 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.58     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2783 $_2784 e_3 \/ ~product e_4 $_2784 $_2783 \/
% 20.36/20.58     e_1 == $_2784 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.58     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2788 $_2789 e_3 \/ ~product e_4 $_2789 $_2788 \/
% 20.36/20.58     e_2 == $_2788 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.58     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2793 $_2794 e_3 \/ ~product e_4 $_2794 $_2793 \/
% 20.36/20.58     $_2793 == e_2 \/ cycle e_3 e_0 \/ product e_2 e_1 e_1 \/
% 20.36/20.58     product e_2 e_1 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_2 e_1 $_2802 \/ ~product e_4 e_4 $_2802 \/
% 20.36/20.58     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_1 e_3 $_2802 \/ ~product e_2 e_1 $_2802 \/
% 20.36/20.58     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_4 \/ product e_1 e_4 e_1 \/
% 20.36/20.58     product e_1 e_4 e_2 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_1 e_3 e_2 \/ ~product e_4 e_1 e_4 \/ product e_1 e_4 e_1 \/
% 20.36/20.58     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_2 e_4 e_4 \/ product e_1 e_2 e_1 \/ product e_1 e_2 e_2 \/
% 20.36/20.58     product e_1 e_2 e_3 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 20.36/20.58  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_1 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_1 e_2 e_1 \/ ~product e_3 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_3 e_1
% 20.36/20.58  |- ~product e_1 e_2 $_2834 \/ ~product e_3 e_3 $_2834 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2
% 20.36/20.58  |- ~product $_2841 e_2 e_3 \/ ~product $_2841 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_1 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_2 e_3 e_1 \/ ~product e_4 e_2 e_3 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_3 e_1
% 20.36/20.58  |- ~product $_2839 $_2840 e_1 \/ ~product e_4 $_2840 $_2839 \/
% 20.36/20.58     e_2 == $_2840 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product $_2843 $_2844 e_1 \/ ~product e_4 $_2844 $_2843 \/
% 20.36/20.58     $_2844 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_4 e_4 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product $_2854 $_2855 e_1 \/ ~product e_4 $_2855 $_2854 \/
% 20.36/20.58     e_3 == $_2854 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product $_2859 $_2860 e_1 \/ ~product e_4 $_2860 $_2859 \/
% 20.36/20.58     $_2859 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 20.36/20.58     product e_4 e_2 e_2
% 20.36/20.58  |- ~product $_2868 e_2 e_3 \/ ~product $_2868 e_4 e_2 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product e_1 e_4 e_1 \/ ~product e_2 e_2 e_3 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product $_2866 $_2867 e_1 \/ ~product e_4 $_2867 $_2866 \/
% 20.36/20.58     $_2867 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_3 e_2 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product e_1 e_2 e_2 \/ ~product e_3 e_1 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_1 e_2 e_1 \/ ~product e_3 e_3 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product e_1 e_2 $_2872 \/ ~product e_3 e_3 $_2872 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1
% 20.36/20.58  |- ~product $_2877 $_2878 e_1 \/ ~product e_4 $_2878 $_2877 \/
% 20.36/20.58     e_2 == $_2878 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_4 e_4 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.58  |- ~product $_2885 $_2886 e_1 \/ ~product e_4 $_2886 $_2885 \/
% 20.36/20.58     e_3 == $_2885 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.58  |- ~product $_2893 $_2894 e_1 \/ ~product e_4 $_2894 $_2893 \/
% 20.36/20.58     $_2893 == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_2 e_1 $_2902 \/ ~product e_4 e_4 $_2902 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_1 e_3 $_2902 \/ ~product e_2 e_1 $_2902 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_3 e_2 e_2 \/ ~product e_4 e_1 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 20.36/20.58  |- ~product e_1 e_3 e_2 \/ ~product e_4 e_1 e_4 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_1 e_3 $_2934 \/ ~product e_4 e_4 $_2934 \/
% 20.36/20.58     product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 20.36/20.58  |- ~product $_2953 $_2954 e_1 \/ ~product e_3 $_2954 $_2953 \/
% 20.36/20.58     $_2954 == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product $_2964 $_2965 e_1 \/ ~product e_3 $_2965 $_2964 \/
% 20.36/20.58     e_4 == $_2965 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product $_2969 $_2970 e_1 \/ ~product e_3 $_2970 $_2969 \/
% 20.36/20.58     $_2969 == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product $_2980 $_2981 e_1 \/ ~product e_3 $_2981 $_2980 \/
% 20.36/20.58     e_2 == $_2980 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 20.36/20.58     product e_1 e_3 e_1 \/ product e_3 e_4 e_1
% 20.36/20.58  |- ~product e_1 e_3 $_2993 \/ ~product e_4 e_4 $_2993 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 20.36/20.58     product e_4 e_1 e_1
% 20.36/20.58  |- ~product e_2 e_1 $_3018 \/ ~product e_4 e_4 $_3018 \/ cycle e_2 e_0 \/
% 20.36/20.58     cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_4 e_1 e_1
% 20.36/20.58  SZS output end Saturation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 20.36/20.58  
%------------------------------------------------------------------------------