TSTP Solution File: GRP128-3.004 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GRP128-3.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n023.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 10:36:47 EDT 2022

% Result   : Satisfiable 204.06s 204.26s
% Output   : Saturation 204.21s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : GRP128-3.004 : TPTP v8.1.0. Released v1.2.0.
% 0.08/0.14  % Command  : metis --show proof --show saturation %s
% 0.14/0.35  % Computer : n023.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Tue Jun 14 04:55:36 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.14/0.36  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 204.06/204.26  % SZS status Satisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 204.06/204.26  
% 204.06/204.26  SZS output start Saturation for /export/starexec/sandbox/benchmark/theBenchmark.p
% 204.06/204.26  |- next e_0 e_1
% 204.06/204.26  |- next e_1 e_2
% 204.06/204.26  |- next e_2 e_3
% 204.06/204.26  |- next e_3 e_4
% 204.06/204.26  |- greater e_1 e_0
% 204.06/204.26  |- greater e_2 e_0
% 204.06/204.26  |- greater e_3 e_0
% 204.06/204.26  |- greater e_4 e_0
% 204.06/204.26  |- greater e_2 e_1
% 204.06/204.26  |- greater e_3 e_1
% 204.06/204.26  |- greater e_4 e_1
% 204.06/204.26  |- greater e_3 e_2
% 204.06/204.26  |- greater e_4 e_2
% 204.06/204.26  |- greater e_4 e_3
% 204.06/204.26  |- ~cycle $X $Y \/ ~cycle $X $Z \/ $Y == $Z
% 204.06/204.26  |- ~group_element $X \/ cycle $X e_0 \/ cycle $X e_1 \/ cycle $X e_2 \/
% 204.06/204.26     cycle $X e_3
% 204.06/204.26  |- cycle e_4 e_0
% 204.06/204.26  |- ~cycle $W $Z \/ ~cycle $X $Y \/ ~greater $Y e_0 \/ ~next $X $W \/
% 204.06/204.26     ~next $Z $Z1 \/ $Y == $Z1
% 204.06/204.26  |- ~cycle $W $Z2 \/ ~cycle $X $Z1 \/ ~cycle $Y e_0 \/ ~greater $Y $X \/
% 204.06/204.26     ~greater $Z1 $Z2 \/ ~next $Y $W
% 204.06/204.26  |- ~cycle $X e_0 \/ ~greater $Y $X \/ ~product $X e_1 $Y
% 204.06/204.26  |- ~cycle $X $Y \/ ~greater $Y e_0 \/ ~next $X $X1 \/ ~product $X e_1 $Z \/
% 204.06/204.26     $Z == $X1
% 204.06/204.26  |- group_element e_1
% 204.06/204.26  |- group_element e_2
% 204.06/204.26  |- group_element e_3
% 204.06/204.26  |- group_element e_4
% 204.06/204.26  |- ~(e_1 == e_2)
% 204.06/204.26  |- ~(e_1 == e_3)
% 204.06/204.26  |- ~(e_1 == e_4)
% 204.06/204.26  |- ~(e_2 == e_1)
% 204.06/204.26  |- ~(e_2 == e_3)
% 204.06/204.26  |- ~(e_2 == e_4)
% 204.06/204.26  |- ~(e_3 == e_1)
% 204.06/204.26  |- ~(e_3 == e_2)
% 204.06/204.26  |- ~(e_3 == e_4)
% 204.06/204.26  |- ~(e_4 == e_1)
% 204.06/204.26  |- ~(e_4 == e_2)
% 204.06/204.26  |- ~(e_4 == e_3)
% 204.06/204.26  |- ~group_element $X \/ ~group_element $Y \/ product $X $Y e_1 \/
% 204.06/204.26     product $X $Y e_2 \/ product $X $Y e_3 \/ product $X $Y e_4
% 204.06/204.26  |- ~product $X $Y $W \/ ~product $X $Y $Z \/ $W == $Z
% 204.06/204.26  |- ~product $X $W $Y \/ ~product $X $Z $Y \/ $W == $Z
% 204.06/204.26  |- ~product $W $Y $X \/ ~product $Z $Y $X \/ $W == $Z
% 204.06/204.26  |- ~cycle $X $Z \/ $Z == $Z
% 204.06/204.26  |- ~product $X $Y $Z \/ $Z == $Z
% 204.06/204.26  |- ~product $X $Z $Y \/ $Z == $Z
% 204.06/204.26  |- ~product $Z $Y $X \/ $Z == $Z
% 204.06/204.26  |- ~cycle $X $Y \/ ~greater $Y e_0 \/ ~next $X $X \/ ~next $Y $Z1 \/
% 204.06/204.26     $Y == $Z1
% 204.06/204.26  |- ~cycle $Z $Y \/ ~cycle $Z1 $Z \/ ~greater $Y e_0 \/ ~next $Z $Z1 \/
% 204.06/204.26     $Y == $Z1
% 204.06/204.26  |- ~cycle $X $Z1 \/ ~cycle $Y e_0 \/ ~greater $Y $X \/ ~greater $Z1 $Z1 \/
% 204.06/204.26     ~next $Y $X
% 204.06/204.26  |- ~cycle $W $Z2 \/ ~cycle $Z1 e_0 \/ ~cycle $Z2 $Z1 \/ ~greater $Z1 $Z2 \/
% 204.06/204.26     ~next $Z1 $W
% 204.06/204.26  |- ~cycle $Z1 $Z1 \/ ~cycle $Z1 e_0 \/ ~greater $Z1 $Z1 \/ ~next $Z1 $Z1
% 204.06/204.26  |- ~group_element $Y \/ product $Y $Y e_1 \/ product $Y $Y e_2 \/
% 204.06/204.26     product $Y $Y e_3 \/ product $Y $Y e_4
% 204.06/204.26  |- ~product $X $Y $Z1 \/ ~product $Z1 $Y $Z2 \/ product $X $Z1 $Z2
% 204.06/204.26  |- ~product $Z2 $Y $Z2 \/ product $Z2 $Z2 $Z2
% 204.06/204.26  |- e_0 == e_0
% 204.06/204.26  |- ~cycle e_4 $_18 \/ e_0 == $_18
% 204.06/204.26  |- ~cycle e_4 $_17 \/ $_17 == e_0
% 204.06/204.26  |- product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_3 e_3 e_3 \/
% 204.06/204.26     product e_3 e_3 e_4
% 204.06/204.26  |- product e_4 e_4 e_1 \/ product e_4 e_4 e_2 \/ product e_4 e_4 e_3 \/
% 204.06/204.26     product e_4 e_4 e_4
% 204.06/204.26  |- ~product $W e_3 e_4 \/ $W == e_3 \/ product e_3 e_3 e_1 \/
% 204.06/204.26     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.26  |- ~product $Z e_3 e_4 \/ e_3 == $Z \/ product e_3 e_3 e_1 \/
% 204.06/204.26     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.26  |- ~product e_3 $W e_4 \/ $W == e_3 \/ product e_3 e_3 e_1 \/
% 204.06/204.26     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.26  |- ~product e_3 $Z e_4 \/ e_3 == $Z \/ product e_3 e_3 e_1 \/
% 204.06/204.26     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.26  |- ~product e_3 e_3 $W \/ $W == e_4 \/ product e_3 e_3 e_1 \/
% 204.06/204.26     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.26  |- ~product e_3 e_3 $Z \/ e_4 == $Z \/ product e_3 e_3 e_1 \/
% 204.06/204.26     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.26  |- ~product $W e_4 e_4 \/ $W == e_4 \/ product e_4 e_4 e_1 \/
% 204.06/204.26     product e_4 e_4 e_2 \/ product e_4 e_4 e_3
% 204.06/204.26  |- ~product $Z e_4 e_4 \/ e_4 == $Z \/ product e_4 e_4 e_1 \/
% 204.06/204.26     product e_4 e_4 e_2 \/ product e_4 e_4 e_3
% 204.06/204.26  |- ~product e_4 $W e_4 \/ $W == e_4 \/ product e_4 e_4 e_1 \/
% 204.06/204.26     product e_4 e_4 e_2 \/ product e_4 e_4 e_3
% 204.06/204.26  |- ~product e_4 $Z e_4 \/ e_4 == $Z \/ product e_4 e_4 e_1 \/
% 204.06/204.26     product e_4 e_4 e_2 \/ product e_4 e_4 e_3
% 204.06/204.26  |- ~product e_4 e_4 $W \/ $W == e_4 \/ product e_4 e_4 e_1 \/
% 204.06/204.26     product e_4 e_4 e_2 \/ product e_4 e_4 e_3
% 204.06/204.26  |- ~product e_4 e_4 $Z \/ e_4 == $Z \/ product e_4 e_4 e_1 \/
% 204.06/204.26     product e_4 e_4 e_2 \/ product e_4 e_4 e_3
% 204.06/204.26  |- e_4 == e_4
% 204.06/204.26  |- e_2 == e_2
% 204.06/204.26  |- e_3 == e_3
% 204.06/204.26  |- e_1 == e_1
% 204.06/204.26  |- ~product $_35 e_3 e_3 \/ product $_35 e_3 e_4 \/ product e_3 e_3 e_1 \/
% 204.06/204.26     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.26  |- ~cycle $_48 e_0 \/ ~greater e_0 e_0 \/ ~next $_48 $_48 \/ e_0 == e_1
% 204.06/204.26  |- ~cycle $_48 e_1 \/ ~next $_48 $_48
% 204.06/204.26  |- ~cycle $_48 e_2 \/ ~next $_48 $_48
% 204.06/204.26  |- ~cycle $_48 e_3 \/ ~next $_48 $_48
% 204.06/204.26  |- ~cycle e_0 $_55 \/ ~cycle e_1 e_0 \/ ~greater $_55 e_0 \/ $_55 == e_1
% 204.06/204.26  |- ~cycle e_3 $_55 \/ ~cycle e_4 e_3 \/ ~greater $_55 e_0 \/ $_55 == e_4
% 204.06/204.26  |- ~cycle e_3 e_1 \/ ~cycle e_4 e_3
% 204.06/204.26  |- ~cycle e_0 e_0 \/ ~cycle e_1 $_64 \/ ~greater $_64 $_64 \/
% 204.06/204.26     ~greater e_0 e_1
% 204.06/204.26  |- ~cycle e_1 e_0 \/ ~cycle e_2 $_64 \/ ~greater $_64 $_64 \/
% 204.06/204.26     ~greater e_1 e_2
% 204.06/204.26  |- ~cycle e_2 e_0 \/ ~cycle e_3 $_64 \/ ~greater $_64 $_64 \/
% 204.06/204.26     ~greater e_2 e_3
% 204.06/204.26  |- ~cycle e_3 e_0 \/ ~cycle e_4 $_64 \/ ~greater $_64 $_64 \/
% 204.06/204.26     ~greater e_3 e_4
% 204.06/204.26  |- ~cycle $_71 e_0 \/ ~cycle e_0 e_0 \/ ~cycle e_1 $_71 \/
% 204.06/204.26     ~greater e_0 $_71
% 204.06/204.26  |- ~cycle $_71 e_1 \/ ~cycle e_1 e_0 \/ ~cycle e_2 $_71 \/
% 204.06/204.26     ~greater e_1 $_71
% 204.06/204.26  |- ~cycle $_71 e_2 \/ ~cycle e_2 e_0 \/ ~cycle e_3 $_71 \/
% 204.06/204.26     ~greater e_2 $_71
% 204.06/204.26  |- ~cycle e_0 e_1 \/ ~cycle e_1 e_0 \/ ~cycle e_2 e_0
% 204.06/204.26  |- ~group_element $_95 \/ product e_1 $_95 e_1 \/ product e_1 $_95 e_2 \/
% 204.06/204.26     product e_1 $_95 e_3 \/ product e_1 $_95 e_4
% 204.06/204.26  |- ~group_element $_95 \/ product e_2 $_95 e_1 \/ product e_2 $_95 e_2 \/
% 204.06/204.26     product e_2 $_95 e_3 \/ product e_2 $_95 e_4
% 204.06/204.26  |- ~group_element $_95 \/ product e_3 $_95 e_1 \/ product e_3 $_95 e_2 \/
% 204.06/204.26     product e_3 $_95 e_3 \/ product e_3 $_95 e_4
% 204.06/204.26  |- ~group_element $_95 \/ product e_4 $_95 e_1 \/ product e_4 $_95 e_2 \/
% 204.06/204.26     product e_4 $_95 e_3 \/ product e_4 $_95 e_4
% 204.06/204.26  |- ~group_element $_94 \/ product $_94 e_1 e_1 \/ product $_94 e_1 e_2 \/
% 204.06/204.26     product $_94 e_1 e_3 \/ product $_94 e_1 e_4
% 204.06/204.26  |- ~group_element $_94 \/ product $_94 e_2 e_1 \/ product $_94 e_2 e_2 \/
% 204.06/204.26     product $_94 e_2 e_3 \/ product $_94 e_2 e_4
% 204.06/204.26  |- ~group_element $_94 \/ product $_94 e_3 e_1 \/ product $_94 e_3 e_2 \/
% 204.06/204.26     product $_94 e_3 e_3 \/ product $_94 e_3 e_4
% 204.06/204.26  |- ~group_element $_94 \/ product $_94 e_4 e_1 \/ product $_94 e_4 e_2 \/
% 204.06/204.26     product $_94 e_4 e_3 \/ product $_94 e_4 e_4
% 204.06/204.26  |- product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.06/204.26     product e_3 e_1 e_4
% 204.06/204.26  |- product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3 \/
% 204.06/204.26     product e_3 e_2 e_4
% 204.06/204.26  |- ~product $X e_1 e_3 \/ product $X e_3 e_4 \/ product e_3 e_1 e_1 \/
% 204.06/204.26     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.06/204.26  |- ~product $W e_1 e_4 \/ $W == e_3 \/ product e_3 e_1 e_1 \/
% 204.06/204.26     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.06/204.26  |- ~product $Z e_1 e_4 \/ e_3 == $Z \/ product e_3 e_1 e_1 \/
% 204.06/204.26     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.06/204.26  |- ~product e_3 $W e_4 \/ $W == e_1 \/ product e_3 e_1 e_1 \/
% 204.06/204.26     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.06/204.26  |- ~product e_3 $Z e_4 \/ e_1 == $Z \/ product e_3 e_1 e_1 \/
% 204.06/204.26     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.06/204.26  |- ~product e_3 e_1 $W \/ $W == e_4 \/ product e_3 e_1 e_1 \/
% 204.06/204.26     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.06/204.27  |- ~product e_3 e_1 $Z \/ e_4 == $Z \/ product e_3 e_1 e_1 \/
% 204.06/204.27     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.06/204.27  |- ~cycle e_3 e_0 \/ product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/
% 204.06/204.27     product e_3 e_1 e_3
% 204.06/204.27  |- product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.06/204.27     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.27  |- ~product $X e_2 e_3 \/ product $X e_3 e_4 \/ product e_3 e_2 e_1 \/
% 204.06/204.27     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 204.06/204.27  |- ~product $W e_2 e_4 \/ $W == e_3 \/ product e_3 e_2 e_1 \/
% 204.06/204.27     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 204.06/204.27  |- ~product $Z e_2 e_4 \/ e_3 == $Z \/ product e_3 e_2 e_1 \/
% 204.06/204.27     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 204.06/204.27  |- ~product e_3 $W e_4 \/ $W == e_2 \/ product e_3 e_2 e_1 \/
% 204.06/204.27     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 204.06/204.27  |- ~product e_3 $Z e_4 \/ e_2 == $Z \/ product e_3 e_2 e_1 \/
% 204.06/204.27     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 204.06/204.27  |- ~product e_3 e_2 $W \/ $W == e_4 \/ product e_3 e_2 e_1 \/
% 204.06/204.27     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 204.06/204.27  |- ~product e_3 e_2 $Z \/ e_4 == $Z \/ product e_3 e_2 e_1 \/
% 204.06/204.27     product e_3 e_2 e_2 \/ product e_3 e_2 e_3
% 204.06/204.27  |- product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3 \/
% 204.06/204.27     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.06/204.27  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.06/204.27     product e_2 e_1 e_4
% 204.06/204.27  |- ~product $X e_1 e_2 \/ product $X e_2 e_4 \/ product e_2 e_1 e_1 \/
% 204.06/204.27     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.06/204.27  |- ~product $W e_1 e_4 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.06/204.27     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.06/204.27  |- ~product $Z e_1 e_4 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.06/204.27     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.06/204.27  |- ~product e_2 $W e_4 \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.06/204.27     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.06/204.27  |- ~product e_2 $Z e_4 \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.06/204.27     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.06/204.27  |- ~product e_2 e_1 $W \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.06/204.27     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.06/204.27  |- ~product e_2 e_1 $Z \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.06/204.27     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.06/204.27  |- ~cycle e_2 e_0 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.06/204.27     product e_2 e_1 e_3
% 204.11/204.27  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.11/204.27     product e_1 e_3 e_4
% 204.11/204.27  |- ~product $X e_3 e_1 \/ product $X e_1 e_4 \/ product e_1 e_3 e_1 \/
% 204.11/204.27     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.11/204.27  |- ~product $W e_3 e_4 \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 204.11/204.27     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.11/204.27  |- ~product $Z e_3 e_4 \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 204.11/204.27     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.11/204.27  |- ~product e_1 $W e_4 \/ $W == e_3 \/ product e_1 e_3 e_1 \/
% 204.11/204.27     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.11/204.27  |- ~product e_1 $Z e_4 \/ e_3 == $Z \/ product e_1 e_3 e_1 \/
% 204.11/204.27     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.11/204.27  |- ~product e_1 e_3 $W \/ $W == e_4 \/ product e_1 e_3 e_1 \/
% 204.11/204.27     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.11/204.27  |- ~product e_1 e_3 $Z \/ e_4 == $Z \/ product e_1 e_3 e_1 \/
% 204.11/204.27     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.11/204.27  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.11/204.27     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.11/204.27  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.11/204.27     product e_2 e_3 e_4
% 204.11/204.27  |- ~product $X e_3 e_2 \/ product $X e_2 e_4 \/ product e_2 e_3 e_1 \/
% 204.11/204.27     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.11/204.27  |- ~product $W e_3 e_4 \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.11/204.27     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.11/204.27  |- ~product $Z e_3 e_4 \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.11/204.27     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
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% 204.11/204.29  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_3 e_3 e_1 \/
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% 204.11/204.29  |- ~product e_2 e_4 $W \/ $W == e_3 \/ product e_2 e_4 e_1 \/
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% 204.11/204.29  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_2 e_1 \/
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% 204.11/204.29  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_2 e_1 \/
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% 204.11/204.29  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_2 e_1 \/
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% 204.11/204.29  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_2 e_1 \/
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% 204.11/204.29  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_1 e_4 e_3
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% 204.11/204.29  |- ~product e_1 $Z e_3 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
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% 204.11/204.29  |- ~product e_1 e_4 $W \/ $W == e_3 \/ product e_1 e_4 e_1 \/
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% 204.11/204.29  |- ~product e_1 e_4 $Z \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
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% 204.11/204.29  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_3 e_1 e_1 \/
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% 204.11/204.29     product e_3 e_3 e_2 \/ product e_4 e_1 e_1
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% 204.11/204.29     product e_4 e_1 $Z2 \/ product e_4 e_1 e_1
% 204.11/204.29  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_3 e_1 e_1 \/
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% 204.11/204.29     product e_3 e_3 e_2 \/ product e_4 e_1 e_1
% 204.11/204.29  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_3 e_1 e_1 \/
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% 204.11/204.29     product e_3 e_3 e_2 \/ product e_4 e_1 e_1
% 204.11/204.29  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_3 e_1 e_1 \/
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% 204.11/204.29     product e_3 e_3 e_2 \/ product e_4 e_1 e_1
% 204.11/204.29  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_3 e_1 e_1 \/
% 204.11/204.29     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.29     product e_3 e_3 e_2 \/ product e_4 e_1 e_1
% 204.11/204.29  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_3 e_1 e_1 \/
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% 204.11/204.29     product e_3 e_3 e_2 \/ product e_4 e_1 e_1
% 204.11/204.29  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_3 e_1 e_1 \/
% 204.11/204.29     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_3 e_3 e_1 \/
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% 204.11/204.30     product e_3 e_4 e_2 \/ product e_4 e_1 e_1
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% 204.11/204.30     product e_3 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_2 e_2 e_1 \/
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% 204.11/204.30     product e_3 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_2 e_2 e_1 \/
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% 204.11/204.30     product e_3 e_4 e_2 \/ product e_4 e_1 e_1
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% 204.11/204.30     product e_3 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_2 e_2 e_1 \/
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% 204.11/204.30     product e_3 e_4 e_2
% 204.11/204.30  |- ~product e_3 $Z e_3 \/ e_4 == $Z \/ product e_3 e_4 e_1 \/
% 204.11/204.30     product e_3 e_4 e_2
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_3 \/ product e_3 e_4 e_1 \/
% 204.11/204.30     product e_3 e_4 e_2
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_3 == $Z \/ product e_3 e_4 e_1 \/
% 204.11/204.30     product e_3 e_4 e_2
% 204.11/204.30  |- product e_3 e_3 e_3 \/ product e_3 e_4 e_1 \/ product e_3 e_4 e_2
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% 204.11/204.30     product e_3 e_4 e_2
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% 204.11/204.30     product e_3 e_4 e_1
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% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_3 e_3 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_3 e_3 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_3 e_3 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_3 e_3 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_3 e_3 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_3 e_3 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product $X e_4 e_3 \/ product $X e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_2 e_4 $Z2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 204.11/204.30     product e_3 e_2 $Z2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_3 e_4 e_1
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% 204.11/204.30  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_2 e_4 e_1 \/
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% 204.11/204.30  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_2 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
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% 204.11/204.30  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_2 e_4 e_1 \/
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% 204.11/204.30  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_2 e_3
% 204.11/204.30  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_2 e_3
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_2 e_3
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_2 e_3
% 204.11/204.30  |- ~product $X e_4 e_3 \/ product $X e_3 e_2 \/ product e_2 e_3 e_1 \/
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% 204.11/204.30     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
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% 204.11/204.30  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
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% 204.11/204.30     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
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% 204.11/204.30     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
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% 204.11/204.30     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.11/204.30     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.30     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.11/204.30     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.30     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.11/204.30     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.30     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- product e_2 e_3 e_2 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_2 e_3 e_2 \/
% 204.11/204.30     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.30  |- ~product e_1 e_4 $Z2 \/ product e_2 e_3 e_2 \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_1 $Z2
% 204.11/204.30  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_2 e_3 e_2 \/
% 204.11/204.30     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.30  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_2 e_3 e_2 \/
% 204.11/204.30     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.30  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_3 e_2 \/
% 204.11/204.30     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.30  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_3 e_2 \/
% 204.11/204.30     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_2 e_3 e_2 \/
% 204.11/204.30     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_3 e_2 \/
% 204.11/204.30     product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.30  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 204.11/204.30  |- ~product $X e_4 e_1 \/ product $X e_1 e_2 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1
% 204.11/204.30  |- ~product $W e_4 e_2 \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1
% 204.11/204.30  |- ~product $Z e_4 e_2 \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1
% 204.11/204.30  |- ~product e_1 $W e_2 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1
% 204.11/204.30  |- ~product e_1 $Z e_2 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1
% 204.11/204.30  |- ~product e_1 e_4 $W \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1
% 204.11/204.30  |- ~product e_1 e_4 $Z \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1
% 204.11/204.30  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/
% 204.11/204.30     product e_2 e_4 e_2 \/ product e_3 e_4 e_1
% 204.11/204.30  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_3 e_3 e_3 \/
% 204.11/204.30     product e_3 e_4 e_1
% 204.11/204.30  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_1 e_3
% 204.11/204.30  |- ~product $X e_1 e_2 \/ product $X e_2 e_3 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product $W e_1 e_3 \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product $Z e_1 e_3 \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 $W e_3 \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 $Z e_3 \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 e_1 $W \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 e_1 $Z \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~cycle e_2 $Y \/ ~greater $Y e_0 \/ ~next e_2 $X1 \/ e_3 == $X1 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 204.11/204.30  |- ~cycle e_2 e_0 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2
% 204.11/204.30  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_1 \/
% 204.11/204.30     product e_4 e_1 e_2
% 204.11/204.30  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product e_1 e_4 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_3 e_1 $Z2 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.30     product e_1 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.30  |- ~product $X e_1 e_4 \/ product $X e_4 e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product e_2 e_1 $Z2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 204.11/204.30     product e_4 e_1 e_1 \/ product e_4 e_2 $Z2
% 204.11/204.30  |- ~product $W e_1 e_2 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2 \/ product e_4 e_1 e_1
% 204.11/204.30  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.11/204.30     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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% 204.11/204.30  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_4 e_1
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% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_1 e_4 $Z2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 204.11/204.30     product e_2 e_1 $Z2
% 204.11/204.30  |- ~product $W e_4 e_1 \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 $W e_1 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 e_4 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_3 e_2 e_1
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% 204.11/204.30     product e_1 e_4 e_2
% 204.11/204.30  |- ~product e_1 e_2 $Z2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 204.11/204.30     product e_3 e_1 $Z2
% 204.11/204.31  |- ~product $W e_2 e_1 \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_1 e_4 e_2
% 204.11/204.31  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_1 e_4 e_2
% 204.11/204.31  |- ~product e_3 $W e_1 \/ $W == e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_1 e_4 e_2
% 204.11/204.31  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_1 e_4 e_2
% 204.11/204.31  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_1 e_4 e_2
% 204.11/204.31  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_1 e_4 e_2
% 204.11/204.31  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_4 e_2 e_1 \/
% 204.11/204.31     product e_4 e_2 e_2 \/ product e_4 e_3 e_1
% 204.11/204.31  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.11/204.31     product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.31  |- ~product e_1 e_4 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 $Z2
% 204.11/204.31  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.11/204.31     product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.31  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.31     product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.31  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.11/204.31     product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.31  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.31     product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.31  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.11/204.31     product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.31  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.31     product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2
% 204.11/204.31  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_4 e_1 \/
% 204.11/204.31     product e_1 e_4 e_2 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.31  |- ~product e_1 e_3 $Z2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
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% 204.11/204.31  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_3 e_1 e_1 \/
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% 204.11/204.31  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_3 e_1 e_1 \/
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% 204.11/204.31  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_3 e_1 e_1 \/
% 204.11/204.31     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.31  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_3 e_1 e_1 \/
% 204.11/204.31     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.31  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_3 e_1 e_1 \/
% 204.11/204.31     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.31  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_2 e_3 \/
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% 204.11/204.31  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
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% 204.11/204.31  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.31     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.31  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_2 e_3 \/
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% 204.11/204.31  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.31  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_3 \/
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% 204.11/204.31  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.31  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.31  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.31     product e_4 e_1 e_1
% 204.11/204.31  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_2 e_3 \/
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% 204.11/204.32  |- ~product $W e_2 e_2 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
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% 204.11/204.32  |- ~product $Z e_2 e_2 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.32  |- ~product e_4 $W e_2 \/ $W == e_2 \/ product e_1 e_2 e_3 \/
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% 204.11/204.32  |- ~product e_4 $Z e_2 \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.32  |- ~product e_4 e_2 $W \/ $W == e_2 \/ product e_1 e_2 e_3 \/
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% 204.11/204.32  |- ~product e_4 e_2 $Z \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.32  |- ~product e_1 e_2 $Z \/ e_4 == $Z \/ product e_1 e_2 e_3
% 204.11/204.32  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_4 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_4
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% 204.11/204.32  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
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% 204.11/204.32  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_4
% 204.11/204.32  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
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% 204.11/204.32  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_4
% 204.11/204.32  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_4
% 204.11/204.32  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_4 e_1 \/
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% 204.11/204.32  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
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% 204.11/204.32  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.32     product e_1 e_4 e_2 \/ product e_2 e_4 e_3 \/ product e_4 e_2 e_4
% 204.11/204.32  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 204.11/204.32     product e_1 e_4 e_2 \/ product e_2 e_4 e_3 \/ product e_4 e_2 e_4
% 204.11/204.32  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.32     product e_1 e_4 e_2 \/ product e_2 e_4 e_3 \/ product e_4 e_2 e_4
% 204.11/204.32  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 204.11/204.32     product e_1 e_4 e_2 \/ product e_2 e_4 e_3 \/ product e_4 e_2 e_4
% 204.11/204.32  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 204.11/204.32     product e_1 e_4 e_2 \/ product e_2 e_4 e_3 \/ product e_4 e_2 e_4
% 204.11/204.32  |- product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.11/204.32     product e_3 e_2 e_1
% 204.11/204.32  |- ~product $X e_2 e_3 \/ product $X e_3 e_1 \/ product e_3 e_1 e_1 \/
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% 204.11/204.32  |- ~product e_1 e_2 $Z2 \/ product e_3 e_1 $Z2 \/ product e_3 e_1 e_1 \/
% 204.11/204.32     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.32  |- ~product $W e_2 e_1 \/ $W == e_3 \/ product e_3 e_1 e_1 \/
% 204.11/204.32     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.32  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ product e_3 e_1 e_1 \/
% 204.11/204.32     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.32  |- ~product e_3 $W e_1 \/ $W == e_2 \/ product e_3 e_1 e_1 \/
% 204.11/204.32     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.32  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_3 e_1 e_1 \/
% 204.11/204.32     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.32  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_3 e_1 e_1 \/
% 204.11/204.32     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.32  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_3 e_1 e_1 \/
% 204.11/204.32     product e_3 e_1 e_2 \/ product e_3 e_1 e_3
% 204.11/204.32  |- product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.11/204.32     product e_4 e_2 e_1 \/ product e_4 e_2 e_2 \/ product e_4 e_3 e_1
% 204.11/204.32  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_3 e_1 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_2
% 204.11/204.32  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_3 e_1 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_2
% 204.11/204.32  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_3 e_1 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_2
% 204.11/204.32  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_3 e_1 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_2
% 204.11/204.32  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_3 e_1 e_1 \/
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% 204.11/204.32     product e_4 e_2 e_2
% 204.11/204.32  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_3 e_1 e_1 \/
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% 204.11/204.32  |- ~product e_1 e_4 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3
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% 204.11/204.32     product e_2 e_1 e_3
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% 204.11/204.32     product e_2 e_1 e_3
% 204.11/204.32  |- ~product $Z e_2 e_4 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
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% 204.11/204.32     product e_2 e_1 e_3
% 204.11/204.32  |- ~product e_3 $W e_4 \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.11/204.32     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.11/204.32     product e_2 e_1 e_3
% 204.11/204.32  |- ~product e_3 $Z e_4 \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.32     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.11/204.32     product e_2 e_1 e_3
% 204.11/204.32  |- ~product e_3 e_2 $W \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.11/204.32     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.11/204.32     product e_2 e_1 e_3
% 204.11/204.32  |- ~product e_3 e_2 $Z \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.32     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.11/204.32     product e_2 e_1 e_3
% 204.11/204.32  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.11/204.32     product e_3 e_1 e_1 \/ product e_3 e_1 e_2
% 204.11/204.32  |- ~product $X e_1 e_3 \/ product $X e_3 e_2 \/ product e_2 e_1 e_1 \/
% 204.11/204.32     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
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% 204.11/204.32  |- ~product $W e_1 e_2 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
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% 204.11/204.32  |- ~product $Z e_1 e_2 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.32     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.32  |- ~product e_3 $W e_2 \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.11/204.32     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.32  |- ~product e_3 $Z e_2 \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.32     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.32  |- ~product e_3 e_1 $W \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.11/204.32     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.32  |- ~product e_3 e_1 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
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% 204.11/204.32  |- ~product e_3 e_2 $Z \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
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% 204.11/204.32  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
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% 204.11/204.32     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.32  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
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% 204.11/204.32     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
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% 204.11/204.32     product e_4 e_3 e_1 \/ product e_4 e_3 e_2
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% 204.11/204.32  |- ~product $W e_4 e_3 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
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% 204.11/204.33  |- ~product $Z e_4 e_3 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_2 $W e_3 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_2 $Z e_3 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_2 e_4 $W \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_2 e_4 $Z \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.11/204.33  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.11/204.33     product e_3 e_4 e_1 \/ product e_3 e_4 e_2
% 204.11/204.33  |- ~product $X e_4 e_3 \/ product $X e_3 e_2 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
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% 204.11/204.33  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 204.11/204.33  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 204.11/204.33  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 204.11/204.33  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 204.11/204.33  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 204.11/204.33  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_4 e_1
% 204.11/204.33  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_1 e_3 e_2 \/
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% 204.11/204.33     product e_2 e_1 e_3
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% 204.11/204.33     product e_3 e_1 $Z2
% 204.11/204.33  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
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% 204.11/204.33     product e_2 e_1 e_3
% 204.11/204.33  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
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% 204.11/204.33     product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
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% 204.11/204.33     product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.33     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.11/204.33     product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.11/204.33     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.11/204.33     product e_2 e_1 e_3
% 204.11/204.33  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.11/204.33     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.11/204.33     product e_2 e_1 e_3
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% 204.11/204.33     product e_3 e_2 e_3 \/ product e_3 e_4 e_1
% 204.11/204.33  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3
% 204.11/204.33  |- ~product e_1 e_4 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
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% 204.11/204.33  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3
% 204.11/204.33  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3
% 204.11/204.33  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3
% 204.11/204.33  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3
% 204.11/204.33  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3
% 204.11/204.33  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.11/204.33     product e_3 e_1 e_1 \/ product e_3 e_4 e_1
% 204.11/204.33  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
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% 204.11/204.33     product e_2 e_1 e_3 \/ product e_3 e_1 $Z2 \/ product e_3 e_1 e_1
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% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.33  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.33  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.33  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.33  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.11/204.33  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.33     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
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% 204.11/204.33  |- ~cycle e_1 e_1
% 204.11/204.33  |- ~cycle e_1 e_2
% 204.11/204.33  |- ~cycle e_1 e_3
% 204.11/204.33  |- ~cycle e_1 e_4
% 204.11/204.33  |- cycle e_1 e_0
% 204.11/204.33  |- ~cycle e_1 $Y \/ $Y == e_0
% 204.11/204.33  |- ~cycle e_1 $Z \/ e_0 == $Z
% 204.11/204.33  |- ~cycle e_0 e_4
% 204.11/204.33  |- ~cycle e_0 e_3
% 204.11/204.33  |- ~cycle e_0 e_2
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_2 e_1 e_3
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% 204.11/204.33  |- ~product $Z e_1 e_3 \/ e_2 == $Z \/ product e_1 e_2 e_3
% 204.11/204.33  |- ~product e_2 $W e_3 \/ $W == e_1 \/ product e_1 e_2 e_3
% 204.11/204.33  |- ~product e_2 $Z e_3 \/ e_1 == $Z \/ product e_1 e_2 e_3
% 204.11/204.33  |- ~product e_2 e_1 $W \/ $W == e_3 \/ product e_1 e_2 e_3
% 204.11/204.33  |- ~product e_2 e_1 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3
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% 204.11/204.33     product e_1 e_2 e_3
% 204.11/204.33  |- ~cycle e_2 e_0 \/ product e_1 e_2 e_3
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_3
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% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_3 e_2 $Z2 \/ product e_1 e_2 e_3 \/ product e_4 e_1 e_1 \/
% 204.11/204.33     product e_4 e_3 $Z2
% 204.11/204.33  |- ~product $W e_2 e_3 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_4 $W e_3 \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_4 e_2 $W \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.33  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
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% 204.11/204.33     product e_4 e_1 e_1
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% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_4 e_1 e_1
% 204.11/204.33  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_2 e_3 e_4
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% 204.11/204.33  |- ~product e_2 e_3 $W \/ $W == e_4 \/ product e_1 e_2 e_3
% 204.11/204.33  |- ~product e_2 e_3 $Z \/ e_4 == $Z \/ product e_1 e_2 e_3
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% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_2 e_4 e_3 \/ product e_4 e_1 e_2
% 204.11/204.33  |- ~product $X e_1 e_4 \/ product $X e_4 e_2 \/ product e_1 e_2 e_3 \/
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% 204.11/204.33     product e_4 e_2 $Z2
% 204.11/204.33  |- ~product $W e_1 e_2 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.11/204.33     product e_1 e_2 e_3 \/ product e_2 e_4 e_3
% 204.11/204.33  |- ~greater e_2 e_4 \/ product e_1 e_2 e_3 \/ product e_2 e_4 e_3
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_2 e_4 e_3 \/ product e_4 e_2 e_3
% 204.11/204.33  |- ~product $X e_2 e_4 \/ product $X e_4 e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_3 e_2 $Z2 \/ product e_1 e_2 e_3 \/ product e_2 e_4 e_3 \/
% 204.11/204.33     product e_4 e_3 $Z2
% 204.11/204.33  |- ~product $W e_2 e_3 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 $W e_3 \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 e_2 $W \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_2 e_4 e_3
% 204.11/204.33  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.11/204.33     product e_4 e_3 e_1
% 204.11/204.33  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_1 e_3 $Z2 \/ product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.33     product e_3 e_3 e_2 \/ product e_4 e_1 $Z2
% 204.11/204.33  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.11/204.33     product e_4 e_1 e_2
% 204.11/204.33  |- ~product $X e_1 e_4 \/ product $X e_4 e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_2 e_1 $Z2 \/ product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.33     product e_3 e_3 e_2 \/ product e_4 e_2 $Z2
% 204.11/204.33  |- ~product $W e_1 e_2 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.11/204.33     product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~greater e_2 e_4 \/ product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.33     product e_3 e_3 e_2
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.11/204.33     product e_4 e_2 e_3
% 204.11/204.33  |- ~product $X e_2 e_4 \/ product $X e_4 e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_3 e_2 $Z2 \/ product e_1 e_2 e_3 \/ product e_3 e_3 e_1 \/
% 204.11/204.33     product e_3 e_3 e_2 \/ product e_4 e_3 $Z2
% 204.11/204.33  |- ~product $W e_2 e_3 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 $W e_3 \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 e_2 $W \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.33     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.11/204.33  |- product e_1 e_2 e_3 \/ product e_3 e_2 e_1
% 204.11/204.34  |- ~product $X e_2 e_3 \/ product $X e_3 e_1 \/ product e_1 e_2 e_3
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% 204.11/204.34  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ product e_1 e_2 e_3
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% 204.11/204.34  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_1 e_2 e_3
% 204.11/204.34  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_1 e_2 e_3
% 204.11/204.34  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_1 e_2 e_3
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% 204.11/204.34  |- ~product $X e_1 e_3 \/ product $X e_3 e_4 \/ product e_1 e_2 e_3
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% 204.11/204.34  |- ~product $Z e_1 e_4 \/ e_3 == $Z \/ product e_1 e_2 e_3
% 204.11/204.34  |- ~product e_3 $W e_4 \/ $W == e_1 \/ product e_1 e_2 e_3
% 204.11/204.34  |- ~product e_3 $Z e_4 \/ e_1 == $Z \/ product e_1 e_2 e_3
% 204.11/204.34  |- ~product e_3 e_1 $W \/ $W == e_4 \/ product e_1 e_2 e_3
% 204.11/204.34  |- ~product e_3 e_1 $Z \/ e_4 == $Z \/ product e_1 e_2 e_3
% 204.11/204.34  |- ~cycle e_3 $Y \/ ~greater $Y e_0 \/ ~next e_3 $X1 \/ e_4 == $X1 \/
% 204.11/204.34     product e_1 e_2 e_3
% 204.11/204.34  |- ~cycle e_3 e_0 \/ product e_1 e_2 e_3
% 204.11/204.34  |- product e_1 e_2 e_3 \/ product e_2 e_2 e_1 \/ product e_4 e_1 e_2
% 204.11/204.34  |- ~product $X e_1 e_4 \/ product $X e_4 e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_2 e_1 $Z2 \/ product e_1 e_2 e_3 \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_4 e_2 $Z2
% 204.11/204.34  |- ~product $W e_1 e_2 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.11/204.34     product e_1 e_2 e_3 \/ product e_2 e_2 e_1
% 204.11/204.34  |- ~greater e_2 e_4 \/ product e_1 e_2 e_3 \/ product e_2 e_2 e_1
% 204.11/204.34  |- product e_1 e_2 e_3 \/ product e_2 e_2 e_1 \/ product e_4 e_2 e_3
% 204.11/204.34  |- ~product $X e_2 e_4 \/ product $X e_4 e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_3 e_2 $Z2 \/ product e_1 e_2 e_3 \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_4 e_3 $Z2
% 204.11/204.34  |- ~product $W e_2 e_3 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 $W e_3 \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 e_2 $W \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- product e_1 e_2 e_3 \/ product e_2 e_2 e_1 \/ product e_4 e_3 e_1
% 204.11/204.34  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_1 e_3 $Z2 \/ product e_1 e_2 e_3 \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_4 e_1 $Z2
% 204.11/204.34  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.11/204.34     product e_2 e_2 e_1
% 204.11/204.34  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
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% 204.11/204.34  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_3 \/
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% 204.11/204.34     product e_2 e_3 e_1
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% 204.11/204.34  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.11/204.34     product e_2 e_4 e_1 \/ product e_3 e_3 e_3
% 204.11/204.34  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
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% 204.11/204.34  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
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% 204.11/204.34  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.11/204.34     product e_2 e_4 e_1 \/ product e_3 e_3 e_3
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% 204.11/204.34  |- ~product e_2 $Z e_1 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.11/204.34     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.11/204.34  |- ~product e_2 e_3 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.11/204.34     product e_2 e_1 e_2 \/ product e_2 e_1 e_3
% 204.11/204.34  |- ~product e_2 e_3 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
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% 204.11/204.34     product e_2 e_3 e_1
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% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 $W e_1 \/ $W == e_2 \/ product e_2 e_2 e_2 \/
% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_2 e_2 e_2 \/
% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_2 e_2 e_2 \/
% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_2 e_2 e_2 \/
% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- product e_2 e_2 e_2 \/ product e_2 e_3 e_1 \/ product e_4 e_2 e_1 \/
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% 204.11/204.34  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_2 e_2 e_2 \/
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% 204.11/204.34  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_2 e_2 \/
% 204.11/204.34     product e_2 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.34  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_2 e_2 \/
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% 204.11/204.34  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_2 e_2 \/
% 204.11/204.34     product e_2 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.34  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_2 e_2 \/
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% 204.11/204.34  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_2 e_2 \/
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% 204.11/204.34     product e_2 e_3 e_1
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% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 $W e_1 \/ $W == e_2 \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_2 e_3 e_1
% 204.11/204.34  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_2 e_2 e_1 \/
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% 204.11/204.34  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_2 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.34  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_2 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.34  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_2 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.34  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_2 e_1 \/
% 204.11/204.34     product e_2 e_3 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.11/204.34  |- product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/ product e_4 e_1 e_1 \/
% 204.11/204.34     product e_4 e_1 e_2
% 204.11/204.34  |- ~product $X e_1 e_4 \/ product $X e_4 e_2 \/ product e_2 e_2 e_1 \/
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% 204.11/204.34  |- ~product e_2 e_1 $Z2 \/ product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/
% 204.11/204.34     product e_4 e_1 e_1 \/ product e_4 e_2 $Z2
% 204.19/204.34  |- ~product $W e_1 e_2 \/ $W == e_4 \/ product e_2 e_2 e_1 \/
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% 204.19/204.34  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_2 e_2 e_1 \/
% 204.19/204.34     product e_2 e_3 e_1 \/ product e_4 e_1 e_1
% 204.19/204.34  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_2 e_2 e_1 \/
% 204.19/204.34     product e_2 e_3 e_1 \/ product e_4 e_1 e_1
% 204.19/204.34  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_2 e_2 e_1 \/
% 204.19/204.34     product e_2 e_3 e_1 \/ product e_4 e_1 e_1
% 204.19/204.34  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_2 e_2 e_1 \/
% 204.19/204.34     product e_2 e_3 e_1 \/ product e_4 e_1 e_1
% 204.19/204.34  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_2 e_2 e_1 \/
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% 204.19/204.34     product e_4 e_1 e_2
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% 204.19/204.34     product e_4 e_1 e_2
% 204.19/204.34  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.19/204.34     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/
% 204.19/204.34     product e_4 e_1 e_2
% 204.19/204.34  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
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% 204.19/204.34     product e_4 e_1 e_2
% 204.19/204.34  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.19/204.34     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/
% 204.19/204.34     product e_4 e_1 e_2
% 204.19/204.34  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.19/204.34     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/
% 204.19/204.34     product e_4 e_1 e_2
% 204.19/204.34  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.19/204.34     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_1 e_1 \/
% 204.19/204.34     product e_4 e_1 e_2
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% 204.19/204.34     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
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% 204.19/204.35     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
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% 204.19/204.35  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
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% 204.19/204.35  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
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% 204.19/204.35     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.19/204.35  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
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% 204.19/204.35  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.19/204.35     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.19/204.35     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.19/204.35  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.19/204.35     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.19/204.35     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.19/204.35  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.19/204.35     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.19/204.35     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.19/204.35  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_3 e_2
% 204.19/204.35  |- ~product $X e_3 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
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% 204.19/204.35  |- ~product $W e_3 e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1
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% 204.19/204.35  |- ~product e_1 $W e_2 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product e_1 $Z e_2 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product e_1 e_3 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product e_1 e_3 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
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% 204.19/204.35     product e_4 e_2 e_2 \/ product e_4 e_3 e_1
% 204.19/204.35  |- ~product $X e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
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% 204.19/204.35  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_2 e_4
% 204.19/204.35  |- ~product $X e_2 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product $X e_1 e_4
% 204.19/204.35  |- ~product $W e_2 e_4 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product $Z e_2 e_4 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product e_1 $W e_4 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product e_1 $Z e_4 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product e_1 e_2 $W \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- ~product e_1 e_2 $Z \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.35  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_4 e_1 e_2 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2
% 204.19/204.35  |- ~product $X e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product $X e_4 e_2 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_2 e_1 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1 \/ product e_4 e_2 $Z2
% 204.19/204.35  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.19/204.35     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~greater e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product $X e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product $X e_4 e_2 \/ product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product e_2 e_2 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2 \/ product e_4 e_2 $Z2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product $W e_2 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product $Z e_2 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product e_4 $W e_2 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product e_4 $Z e_2 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product e_4 e_2 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product e_4 e_2 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.35     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.35  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_1 e_3 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 204.19/204.35     product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/ product e_3 e_1 e_1 \/
% 204.19/204.35     product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/ product e_4 e_1 $Z2 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_3 e_1 e_1 \/ product e_3 e_1 e_2 \/ product e_3 e_1 e_3 \/
% 204.19/204.35     product e_4 e_1 e_1
% 204.19/204.35  |- product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 204.19/204.35     product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/ product e_4 e_1 e_1 \/
% 204.19/204.35     product e_4 e_3 e_1
% 204.19/204.35  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_2 e_2 e_1 \/
% 204.19/204.35     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.19/204.35     product e_2 e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_1 e_3 $Z2 \/ product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_4 e_1 $Z2 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_2 e_2 e_1 \/
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% 204.19/204.35     product e_2 e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_2 e_1 \/
% 204.19/204.35     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.19/204.35     product e_2 e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.19/204.35     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.19/204.35     product e_2 e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.19/204.35     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.19/204.35     product e_2 e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_2 e_1 \/
% 204.19/204.35     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.19/204.35     product e_2 e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.35  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_2 e_1 \/
% 204.19/204.35     product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.19/204.35     product e_2 e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.35  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.19/204.35     product e_2 e_4 e_2 \/ product e_2 e_4 e_3 \/ product e_4 e_3 e_1
% 204.19/204.35  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.19/204.35     product e_2 e_4 e_3
% 204.19/204.35  |- ~product e_1 e_3 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 204.19/204.35     product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3 \/
% 204.19/204.35     product e_4 e_1 $Z2
% 204.19/204.35  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.19/204.35     product e_2 e_4 e_3
% 204.19/204.35  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.19/204.35     product e_2 e_4 e_3
% 204.19/204.35  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.19/204.35     product e_2 e_4 e_3
% 204.19/204.35  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.19/204.35     product e_2 e_4 e_3
% 204.19/204.35  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.19/204.35     product e_2 e_4 e_3
% 204.19/204.35  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.19/204.35     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.19/204.35     product e_2 e_4 e_3
% 204.19/204.35  |- product e_3 e_2 e_1 \/ product e_3 e_2 e_2 \/ product e_3 e_2 e_3 \/
% 204.19/204.35     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.19/204.35  |- ~product $X e_2 e_4 \/ product $X e_4 e_2 \/ product e_3 e_2 e_1 \/
% 204.19/204.35     product e_3 e_2 e_2 \/ product e_3 e_2 e_3 \/ product e_4 e_2 e_1
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% 204.19/204.36  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
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% 204.19/204.36  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 204.19/204.36  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 204.19/204.36  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 204.19/204.36  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 204.19/204.36  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_2 e_3 $Z2 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 204.19/204.36     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/
% 204.19/204.36     product e_4 e_2 $Z2
% 204.19/204.36  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.19/204.36  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_1 e_2 $Z2 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 204.19/204.36     product e_3 e_1 e_1 \/ product e_4 e_1 $Z2 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_4 e_1 \/
% 204.19/204.36     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_2
% 204.19/204.36  |- ~product $X e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product $X e_4 e_2 \/ product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_2 e_1 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1 \/ product e_4 e_2 $Z2
% 204.19/204.36  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.19/204.36     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_2 e_1
% 204.19/204.36  |- ~greater e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_4 e_3
% 204.19/204.36  |- ~product $X e_4 e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product $X e_1 e_3
% 204.19/204.36  |- ~product $W e_4 e_3 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product $Z e_4 e_3 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_1 $W e_3 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_1 $Z e_3 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_1 e_4 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_1 e_4 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_1 e_3
% 204.19/204.36  |- ~product $X e_1 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product $X e_2 e_3
% 204.19/204.36  |- ~product $W e_1 e_3 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product $Z e_1 e_3 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 $W e_3 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 $Z e_3 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 e_1 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 e_1 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~cycle e_2 $Y \/ ~greater $Y e_0 \/ ~next e_2 $X1 \/ e_3 == $X1 \/
% 204.19/204.36     cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_4 e_1
% 204.19/204.36  |- ~product $X e_4 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product $X e_2 e_1
% 204.19/204.36  |- ~product e_1 e_4 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_1 $Z2
% 204.19/204.36  |- ~product $W e_4 e_1 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 $W e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 e_4 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_2 e_1 \/
% 204.19/204.36     product e_4 e_2 e_3
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_2 e_3
% 204.19/204.36  |- ~product $X e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product $X e_4 e_3 \/ product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_3 e_2 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1 \/ product e_4 e_3 $Z2
% 204.19/204.36  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product $X e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product $X e_4 e_3 \/ product e_4 e_1 e_1
% 204.19/204.36  |- ~product e_3 e_2 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1 \/ product e_4 e_3 $Z2
% 204.19/204.36  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1
% 204.19/204.36  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1
% 204.19/204.36  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1
% 204.19/204.36  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1
% 204.19/204.36  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1
% 204.19/204.36  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_4 e_1 e_1
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_2 e_1 \/
% 204.19/204.36     product e_4 e_3 e_1
% 204.19/204.36  |- ~product $X e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product $X e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_1 e_3 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1 \/ product e_4 e_1 $Z2
% 204.19/204.36  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.36     product e_2 e_2 e_1
% 204.19/204.36  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_4 e_1 e_1 \/
% 204.19/204.36     product e_4 e_3 e_1
% 204.19/204.37  |- ~product $X e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product $X e_4 e_1 \/ product e_4 e_1 e_1
% 204.19/204.37  |- ~product e_1 e_3 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_4 e_1 $Z2 \/ product e_4 e_1 e_1
% 204.19/204.37  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_4 e_1 e_1
% 204.19/204.37  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_4 e_1 e_1
% 204.19/204.37  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_4 e_1 e_1
% 204.19/204.37  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_4 e_1 e_1
% 204.19/204.37  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_4 e_1 e_1
% 204.19/204.37  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_4 e_1 e_1
% 204.19/204.37  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_2 e_1
% 204.19/204.37  |- ~product $X e_2 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product $X e_3 e_1
% 204.19/204.37  |- ~product e_1 e_2 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_3 e_1 $Z2
% 204.19/204.37  |- ~product $W e_2 e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 $W e_1 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 e_2 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_1 e_4
% 204.19/204.37  |- ~product $X e_1 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product $X e_3 e_4
% 204.19/204.37  |- ~product $W e_1 e_4 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product $Z e_1 e_4 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 $W e_4 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 $Z e_4 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 e_1 $W \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_3 e_1 $Z \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~cycle e_3 $Y \/ ~greater $Y e_0 \/ ~next e_3 $X1 \/ e_4 == $X1 \/
% 204.19/204.37     cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~cycle e_3 e_0 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_3 e_1 \/
% 204.19/204.37     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.19/204.37  |- ~product $W e_3 e_3 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 $W e_3 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 e_3 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_3 e_4
% 204.19/204.37  |- ~product $X e_3 e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product $X e_2 e_4
% 204.19/204.37  |- ~product $W e_3 e_4 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product $Z e_3 e_4 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_2 $W e_4 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_2 $Z e_4 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_2 e_3 $W \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- ~product e_2 e_3 $Z \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.19/204.37  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_4 e_3 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product $X e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product $X e_4 e_1 \/ product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_1 e_3 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3 \/ product e_4 e_1 $Z2
% 204.19/204.37  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_4 e_3 \/
% 204.19/204.37     product e_4 e_1 e_2
% 204.19/204.37  |- ~product $X e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product $X e_4 e_2 \/ product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_2 e_1 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3 \/ product e_4 e_2 $Z2
% 204.19/204.37  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.19/204.37     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_4 e_3
% 204.19/204.37  |- ~greater e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_2 e_4 e_3 \/
% 204.19/204.37     product e_4 e_2 e_3
% 204.19/204.37  |- ~product $X e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product $X e_4 e_3 \/ product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_3 e_2 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3 \/ product e_4 e_3 $Z2
% 204.19/204.37  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.19/204.37     product e_2 e_4 e_3
% 204.19/204.37  |- product e_1 e_2 e_3 \/ product e_3 e_4 e_2
% 204.19/204.37  |- ~product $X e_4 e_3 \/ product $X e_3 e_2 \/ product e_1 e_2 e_3
% 204.19/204.37  |- ~product e_2 e_4 $Z2 \/ product e_1 e_2 e_3 \/ product e_3 e_2 $Z2
% 204.19/204.37  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_1 e_2 e_3
% 204.19/204.37  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_1 e_2 e_3
% 204.19/204.37  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_1 e_2 e_3
% 204.19/204.37  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_1 e_2 e_3
% 204.19/204.37  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_1 e_2 e_3
% 204.19/204.37  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_1 e_2 e_3
% 204.19/204.37  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_2 e_3 e_1
% 204.19/204.37  |- ~product $X e_3 e_2 \/ product $X e_2 e_1 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1
% 204.19/204.37  |- ~product e_1 e_3 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.19/204.37     product e_2 e_1 $Z2
% 204.19/204.37  |- ~product $W e_3 e_1 \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1
% 204.19/204.37  |- ~product $Z e_3 e_1 \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1
% 204.19/204.37  |- ~product e_2 $W e_1 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1
% 204.19/204.37  |- ~product e_2 $Z e_1 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1
% 204.19/204.37  |- ~product e_2 e_3 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1
% 204.19/204.37  |- ~product e_2 e_3 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1
% 204.19/204.37  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_4 e_2 e_1 \/
% 204.19/204.37     product e_4 e_2 e_2
% 204.19/204.37  |- ~product $X e_2 e_4 \/ product $X e_4 e_2 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_4 e_2 e_1
% 204.19/204.37  |- ~product e_2 e_2 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.19/204.37     product e_4 e_2 $Z2 \/ product e_4 e_2 e_1
% 204.19/204.37  |- ~product $W e_2 e_2 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_4 e_2 e_1
% 204.19/204.37  |- ~product $Z e_2 e_2 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_4 e_2 e_1
% 204.19/204.37  |- ~product e_4 $W e_2 \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_4 e_2 e_1
% 204.19/204.37  |- ~product e_4 $Z e_2 \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_4 e_2 e_1
% 204.19/204.37  |- ~product e_4 e_2 $W \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_4 e_2 e_1
% 204.19/204.37  |- ~product e_4 e_2 $Z \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_4 e_2 e_1
% 204.19/204.37  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_2 e_2 e_1 \/
% 204.19/204.37     product e_4 e_2 e_1
% 204.19/204.37  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.37  |- ~product e_1 e_2 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.19/204.37     product e_2 e_2 e_1 \/ product e_4 e_1 $Z2
% 204.19/204.37  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.37  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.37  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.37  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.37  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.37  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_2 e_2 e_1
% 204.19/204.37  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/
% 204.19/204.37     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.19/204.37  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/
% 204.19/204.37     product e_3 e_3 e_2 \/ product e_4 e_3 e_1 \/ product e_4 e_3 e_2
% 204.19/204.37  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product e_2 e_3 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.19/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_2 $Z2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.19/204.37     product e_4 e_3 e_1
% 204.19/204.37  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/
% 204.19/204.37     product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.19/204.37  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_1 e_4 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.19/204.37     product e_3 e_1 $Z2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.19/204.37  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.19/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.37     product e_3 e_3 e_2 \/ product e_4 e_2 e_1
% 204.21/204.37  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- ~product e_1 e_2 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
% 204.21/204.37     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.37  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.37  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.37     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
% 204.21/204.38     product e_1 e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.38     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.38  |- ~product $X e_2 e_4 \/ product $X e_4 e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product e_2 e_2 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.38     product e_2 e_1 e_3 \/ product e_4 e_2 $Z2 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product $W e_2 e_2 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product $Z e_2 e_2 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product e_4 $W e_2 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product e_4 $Z e_2 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product e_4 e_2 $W \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product e_4 e_2 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_4 e_2 e_1
% 204.21/204.38  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.38     product e_2 e_2 e_1 \/ product e_4 e_2 e_1
% 204.21/204.38  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_2 e_1
% 204.21/204.38  |- ~product e_1 e_2 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.38     product e_2 e_1 e_3 \/ product e_2 e_2 e_1 \/ product e_4 e_1 $Z2
% 204.21/204.38  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_2 e_1
% 204.21/204.38  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_2 e_1
% 204.21/204.38  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_2 e_1
% 204.21/204.38  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_2 e_1
% 204.21/204.38  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_2 e_1
% 204.21/204.38  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_2 e_1
% 204.21/204.38  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.21/204.38     product e_2 e_4 e_1
% 204.21/204.38  |- ~product $X e_4 e_2 \/ product $X e_2 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_1 e_4 $Z2 \/ product e_2 e_1 $Z2 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product $W e_4 e_1 \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_2 $W e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_2 e_4 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.21/204.38     product e_3 e_2 e_1
% 204.21/204.38  |- ~product $X e_2 e_3 \/ product $X e_3 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_1 e_2 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_2 e_3 e_3 \/ product e_3 e_1 $Z2
% 204.21/204.38  |- ~product $W e_2 e_1 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_3 $W e_1 \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_3 e_2 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3
% 204.21/204.38  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.21/204.38     product e_4 e_2 e_1 \/ product e_4 e_2 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product e_1 e_3 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_2 e_3 e_3 \/ product e_4 e_1 $Z2 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_4 e_2 e_1 \/
% 204.21/204.38     product e_4 e_2 e_2
% 204.21/204.38  |- ~product $X e_4 e_3 \/ product $X e_3 e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- ~product e_2 e_4 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.38     product e_2 e_1 e_3 \/ product e_3 e_2 $Z2 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.38  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.38     product e_3 e_2 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_3
% 204.21/204.38  |- product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/
% 204.21/204.38     product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.38     product e_4 e_3 e_1
% 204.21/204.38  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_1 e_3 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.38  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_2 e_3 e_3 \/ product e_2 e_4 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_3 e_4 e_1
% 204.21/204.38  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2
% 204.21/204.38  |- ~product e_1 e_4 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.38     product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/ product e_3 e_1 $Z2
% 204.21/204.38  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2
% 204.21/204.38  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2
% 204.21/204.38  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2
% 204.21/204.38  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2
% 204.21/204.38  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2
% 204.21/204.38  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2
% 204.21/204.38  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product $X e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product $X e_4 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_1 e_3 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.38  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_4 e_1 e_2
% 204.21/204.38  |- ~product $X e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product $X e_4 e_2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_2 e_1 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_2 $Z2
% 204.21/204.38  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.38     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2
% 204.21/204.38  |- ~greater e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_4 e_2 e_3
% 204.21/204.38  |- ~product $X e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product $X e_4 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 e_2 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 $Z2
% 204.21/204.38  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_3
% 204.21/204.38  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.38     product e_2 e_3 e_2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.38     product e_4 e_3 e_1 \/ product e_4 e_3 e_2
% 204.21/204.38  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product e_2 e_3 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.38     product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.38     product e_3 e_3 e_2 \/ product e_4 e_2 $Z2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.38  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.38     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.38     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.38  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.38     product e_3 e_2 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.38     product e_4 e_3 e_1 \/ product e_4 e_3 e_2
% 204.21/204.38  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_3 e_4 e_2
% 204.21/204.38  |- ~product $X e_4 e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product $X e_3 e_2
% 204.21/204.38  |- ~product e_2 e_4 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.38     product e_3 e_2 $Z2
% 204.21/204.38  |- ~product $W e_4 e_2 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.21/204.38  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.21/204.38  |- ~product e_3 $W e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.21/204.38  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.21/204.39  |- ~product e_3 e_4 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.21/204.39  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1
% 204.21/204.39  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.21/204.39     product e_2 e_1 e_4
% 204.21/204.39  |- ~product $X e_1 e_2 \/ product $X e_2 e_4 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product $W e_1 e_4 \/ $W == e_2 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product $Z e_1 e_4 \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 $W e_4 \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 $Z e_4 \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 e_1 $W \/ $W == e_4 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 e_1 $Z \/ e_4 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~cycle e_2 e_0 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.39     product e_1 e_3 e_3
% 204.21/204.39  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.21/204.39     product e_2 e_3 e_1
% 204.21/204.39  |- ~product $X e_3 e_2 \/ product $X e_2 e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_1 e_3 $Z2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.39     product e_1 e_3 e_3 \/ product e_2 e_1 $Z2
% 204.21/204.39  |- ~product $W e_3 e_1 \/ $W == e_2 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product $Z e_3 e_1 \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 $W e_1 \/ $W == e_3 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 $Z e_1 \/ e_3 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 e_3 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_2 e_3 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.21/204.39     product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.39  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product e_1 e_2 $Z2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.39     product e_1 e_3 e_3 \/ product e_4 e_1 $Z2 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_4 e_1 e_1 \/
% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.21/204.39     product e_1 e_4 e_2
% 204.21/204.39  |- ~product $X e_4 e_1 \/ product $X e_1 e_2 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product $W e_4 e_2 \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product $Z e_4 e_2 \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_1 $W e_2 \/ $W == e_4 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_1 $Z e_2 \/ e_4 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_1 e_4 $W \/ $W == e_2 \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- ~product e_1 e_4 $Z \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.39     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.39  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.21/204.39     product e_3 e_1 e_2
% 204.21/204.39  |- ~product $X e_1 e_3 \/ product $X e_3 e_2 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_3 $W e_2 \/ $W == e_1 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_3 $Z e_2 \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_3 e_1 $W \/ $W == e_2 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_3 e_1 $Z \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_3 e_2 $W \/ $W == e_4 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_3 e_2 $Z \/ e_4 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39     product e_4 e_1 e_2
% 204.21/204.39  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 e_2 $W \/ $W == e_2 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 e_2 $Z \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39     product e_3 e_3 e_2
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% 204.21/204.39     product e_3 e_3 e_2
% 204.21/204.39  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_2 e_4 $W \/ $W == e_3 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- 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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% 204.21/204.39  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
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% 204.21/204.39  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
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% 204.21/204.39     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.39  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.39     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.39     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_2 e_3 e_2 \/
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% 204.21/204.40     product e_4 e_2 e_1
% 204.21/204.40  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_1 e_3 e_2 \/
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% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_4 e_2
% 204.21/204.40  |- ~product e_1 e_2 $Z2 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1 \/
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% 204.21/204.40     product e_3 e_4 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.40  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_1 e_3 e_2 \/
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% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_4 e_2
% 204.21/204.40  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_1 e_3 e_2 \/
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% 204.21/204.40  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_1 e_3 e_2 \/
% 204.21/204.40     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_4 e_2
% 204.21/204.40  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_1 e_3 e_2 \/
% 204.21/204.40     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_4 e_2
% 204.21/204.40  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.40     product e_1 e_4 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_4 e_2
% 204.21/204.40  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_2 \/
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% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.40     product e_3 e_3 e_3 \/ product e_4 e_1 $Z2
% 204.21/204.40  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
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% 204.21/204.40     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.40  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
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% 204.21/204.40     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.40  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.40  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.40  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.40  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_3 e_1 \/
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% 204.21/204.40  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.40     product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.40     product e_4 e_2 e_1
% 204.21/204.40  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_1 e_2 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.40  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
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% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.40  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2
% 204.21/204.40  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2
% 204.21/204.40  |- product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1 \/
% 204.21/204.40     product e_4 e_3 e_2
% 204.21/204.40  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_2 e_3 $Z2 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 204.21/204.40     product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.40     product e_4 e_2 $Z2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_2 e_4 e_2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_2 e_3 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_2 $Z2 \/ product e_4 e_3 e_1
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% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.40  |- product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_3 e_1 e_2
% 204.21/204.40  |- ~product $X e_1 e_3 \/ product $X e_3 e_2 \/ product e_2 e_3 e_1 \/
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% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.40  |- ~product $Z e_1 e_2 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.40  |- ~product e_3 $W e_2 \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.40  |- ~product e_3 $Z e_2 \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.40  |- ~product e_3 e_1 $W \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.40  |- ~product e_3 e_1 $Z \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.40  |- ~cycle e_3 e_0 \/ ~greater e_2 e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.40  |- product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/ product e_4 e_3 e_2
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% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_2 e_3 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/
% 204.21/204.40     product e_4 e_2 $Z2
% 204.21/204.40  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_1 \/ product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.40  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_1 e_2 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/
% 204.21/204.40     product e_3 e_1 e_1 \/ product e_4 e_1 $Z2 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.40     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_4 e_1 e_1 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.40     product e_3 e_2 e_3 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.40     product e_4 e_2 e_1
% 204.21/204.40  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_1 e_2 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.40     product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/ product e_3 e_3 e_1 \/
% 204.21/204.40     product e_3 e_3 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.40  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.40     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_2 e_3 \/
% 204.21/204.40     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.40  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_4 e_2 \/
% 204.21/204.40     product e_4 e_1 e_2
% 204.21/204.40  |- ~product $X e_1 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product $X e_4 e_2 \/ product e_1 e_4 e_2
% 204.21/204.40  |- ~product e_2 e_1 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2 \/ product e_4 e_2 $Z2
% 204.21/204.40  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.40  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.40  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.40  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.40  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.40  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.40  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.40     cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_4 e_2
% 204.21/204.40  |- ~greater e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.40  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_4 e_2 \/
% 204.21/204.40     product e_4 e_2 e_3
% 204.21/204.40  |- ~product $X e_2 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product $X e_4 e_3 \/ product e_1 e_4 e_2
% 204.21/204.40  |- ~product e_3 e_2 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2 \/ product e_4 e_3 $Z2
% 204.21/204.40  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.40     product e_1 e_4 e_2
% 204.21/204.41  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- cycle e_2 e_0 \/ cycle e_2 e_1 \/ product e_1 e_4 e_2 \/
% 204.21/204.41     product e_4 e_3 e_1
% 204.21/204.41  |- ~product $X e_3 e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product $X e_4 e_1 \/ product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_1 e_3 $Z2 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.41  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_2 e_0 \/ cycle e_2 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/
% 204.21/204.41     product e_3 e_1 e_1 \/ product e_3 e_4 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.41     product e_3 e_4 e_2
% 204.21/204.41  |- ~product e_1 e_2 $Z2 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.41     product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/ product e_3 e_4 e_2 \/
% 204.21/204.41     product e_4 e_1 $Z2
% 204.21/204.41  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.41     product e_3 e_4 e_2
% 204.21/204.41  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.41     product e_3 e_4 e_2
% 204.21/204.41  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.41     product e_3 e_4 e_2
% 204.21/204.41  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.41     product e_3 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.41     product e_3 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1 \/
% 204.21/204.41     product e_3 e_4 e_2
% 204.21/204.41  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/
% 204.21/204.41     product e_2 e_4 e_3 \/ product e_4 e_3 e_1
% 204.21/204.41  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_4 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 204.21/204.41  |- ~product e_1 e_3 $Z2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 204.21/204.41     product e_2 e_4 e_2 \/ product e_2 e_4 e_3 \/ product e_4 e_1 $Z2
% 204.21/204.41  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 204.21/204.41  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 204.21/204.41  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 204.21/204.41  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 204.21/204.41  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 204.21/204.41  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 204.21/204.41     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_2 e_4 e_3
% 204.21/204.41  |- product e_1 e_2 e_3 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_2
% 204.21/204.41  |- ~product $X e_1 e_4 \/ product $X e_4 e_2 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_2 e_1 $Z2 \/ product e_1 e_2 e_3 \/ product e_1 e_4 e_2 \/
% 204.21/204.41     product e_4 e_2 $Z2
% 204.21/204.41  |- ~product $W e_1 e_2 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $W e_2 \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_1 $W \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.41     product e_1 e_2 e_3 \/ product e_1 e_4 e_2
% 204.21/204.41  |- ~greater e_2 e_4 \/ product e_1 e_2 e_3 \/ product e_1 e_4 e_2
% 204.21/204.41  |- product e_1 e_2 e_3 \/ product e_1 e_4 e_2 \/ product e_4 e_2 e_3
% 204.21/204.41  |- ~product $X e_2 e_4 \/ product $X e_4 e_3 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_3 e_2 $Z2 \/ product e_1 e_2 e_3 \/ product e_1 e_4 e_2 \/
% 204.21/204.41     product e_4 e_3 $Z2
% 204.21/204.41  |- ~product $W e_2 e_3 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $W e_3 \/ $W == e_2 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_2 $W \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- product e_1 e_2 e_3 \/ product e_1 e_4 e_2 \/ product e_4 e_3 e_1
% 204.21/204.41  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_1 e_3 $Z2 \/ product e_1 e_2 e_3 \/ product e_1 e_4 e_2 \/
% 204.21/204.41     product e_4 e_1 $Z2
% 204.21/204.41  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_2 e_3 \/
% 204.21/204.41     product e_1 e_4 e_2
% 204.21/204.41  |- ~cycle e_3 $_2079 \/ ~greater $_2079 e_0 \/ product e_2 e_1 e_1 \/
% 204.21/204.41     product e_2 e_1 e_2 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.21/204.41  |- ~cycle e_3 e_1 \/ product e_2 e_1 e_1 \/ product e_2 e_1 e_2 \/
% 204.21/204.41     product e_2 e_1 e_3 \/ product e_3 e_1 e_1
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_1 e_3 e_2
% 204.21/204.41  |- ~product $X e_3 e_1 \/ cycle e_3 e_0 \/ product $X e_1 e_2
% 204.21/204.41  |- ~product $W e_3 e_2 \/ $W == e_1 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product $Z e_3 e_2 \/ e_1 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 $W e_2 \/ $W == e_3 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 $Z e_2 \/ e_3 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 e_3 $W \/ $W == e_2 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 e_3 $Z \/ e_2 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_4 e_2 e_1 \/ product e_4 e_2 e_2 \/
% 204.21/204.41     product e_4 e_3 e_1
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_1 e_2 e_4
% 204.21/204.41  |- ~product $X e_2 e_1 \/ cycle e_3 e_0 \/ product $X e_1 e_4
% 204.21/204.41  |- ~product $W e_2 e_4 \/ $W == e_1 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product $Z e_2 e_4 \/ e_1 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 $W e_4 \/ $W == e_2 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 $Z e_4 \/ e_2 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 e_2 $W \/ $W == e_4 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 e_2 $Z \/ e_4 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product $X e_3 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_1 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- ~product e_1 e_3 $Z2 \/ cycle e_3 e_0 \/ product e_4 e_1 $Z2 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_2 e_1 \/ product e_4 e_2 e_2
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_4 e_1 e_2 \/ product e_4 e_2 e_1 \/
% 204.21/204.41     product e_4 e_2 e_2
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_4 e_1 e_1 \/ product e_4 e_1 e_2
% 204.21/204.41  |- ~product $X e_1 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_2 \/
% 204.21/204.41     product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_2 e_1 $Z2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1 \/
% 204.21/204.41     product e_4 e_2 $Z2
% 204.21/204.41  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.41     cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~greater e_2 e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product $X e_2 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_2 \/
% 204.21/204.41     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product e_2 e_2 $Z2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_2 \/
% 204.21/204.41     product e_4 e_2 $Z2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product $W e_2 e_2 \/ $W == e_4 \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product $Z e_2 e_2 \/ e_4 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product e_4 $W e_2 \/ $W == e_2 \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product e_4 $Z e_2 \/ e_2 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product e_4 e_2 $W \/ $W == e_2 \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- ~product e_4 e_2 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.41     product e_4 e_1 e_2 \/ product e_4 e_2 e_1
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_1 e_4 e_3
% 204.21/204.41  |- ~product $X e_4 e_1 \/ cycle e_3 e_0 \/ product $X e_1 e_3
% 204.21/204.41  |- ~product $W e_4 e_3 \/ $W == e_1 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product $Z e_4 e_3 \/ e_1 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 $W e_3 \/ $W == e_4 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 $Z e_3 \/ e_4 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 e_4 $W \/ $W == e_3 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_1 e_4 $Z \/ e_3 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_2 e_1 e_3
% 204.21/204.41  |- ~product $X e_1 e_2 \/ cycle e_3 e_0 \/ product $X e_2 e_3
% 204.21/204.41  |- ~product $W e_1 e_3 \/ $W == e_2 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product $Z e_1 e_3 \/ e_2 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_2 $W e_3 \/ $W == e_1 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_2 $Z e_3 \/ e_1 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_2 e_1 $W \/ $W == e_3 \/ cycle e_3 e_0
% 204.21/204.41  |- ~product e_2 e_1 $Z \/ e_3 == $Z \/ cycle e_3 e_0
% 204.21/204.41  |- ~cycle e_2 $Y \/ ~greater $Y e_0 \/ ~next e_2 $X1 \/ e_3 == $X1 \/
% 204.21/204.41     cycle e_3 e_0
% 204.21/204.41  |- ~cycle e_2 e_0 \/ cycle e_3 e_0
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_4 e_1 e_1 \/ product e_4 e_2 e_3
% 204.21/204.41  |- ~product $X e_2 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_3 \/
% 204.21/204.41     product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_3 e_2 $Z2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1 \/
% 204.21/204.41     product e_4 e_3 $Z2
% 204.21/204.41  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- cycle e_3 e_0 \/ product e_4 e_1 e_1 \/ product e_4 e_3 e_1
% 204.21/204.41  |- ~product $X e_3 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_1 \/
% 204.21/204.41     product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_1 e_3 $Z2 \/ cycle e_3 e_0 \/ product e_4 e_1 $Z2 \/
% 204.21/204.41     product e_4 e_1 e_1
% 204.21/204.41  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.41  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.42  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_4 e_1 e_1
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_4 e_1
% 204.21/204.42  |- ~product $X e_4 e_2 \/ cycle e_3 e_0 \/ product $X e_2 e_1
% 204.21/204.42  |- ~product e_1 e_4 $Z2 \/ cycle e_3 e_0 \/ product e_2 e_1 $Z2
% 204.21/204.42  |- ~product $W e_4 e_1 \/ $W == e_2 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product $Z e_4 e_1 \/ e_2 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 $W e_1 \/ $W == e_4 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 $Z e_1 \/ e_4 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 e_4 $W \/ $W == e_1 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 e_4 $Z \/ e_1 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_3 e_2 e_1
% 204.21/204.42  |- ~product $X e_2 e_3 \/ cycle e_3 e_0 \/ product $X e_3 e_1
% 204.21/204.42  |- ~product e_1 e_2 $Z2 \/ cycle e_3 e_0 \/ product e_3 e_1 $Z2
% 204.21/204.42  |- ~product $W e_2 e_1 \/ $W == e_3 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product $Z e_2 e_1 \/ e_3 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 $W e_1 \/ $W == e_2 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 $Z e_1 \/ e_2 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 e_2 $W \/ $W == e_1 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 e_2 $Z \/ e_1 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_3 e_1 e_4
% 204.21/204.42  |- ~product $X e_1 e_3 \/ cycle e_3 e_0 \/ product $X e_3 e_4
% 204.21/204.42  |- ~product $W e_1 e_4 \/ $W == e_3 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product $Z e_1 e_4 \/ e_3 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 $W e_4 \/ $W == e_1 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 $Z e_4 \/ e_1 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 e_1 $W \/ $W == e_4 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 e_1 $Z \/ e_4 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~cycle e_3 $Y \/ ~greater $Y e_0 \/ ~next e_3 $X1 \/ e_4 == $X1 \/
% 204.21/204.42     cycle e_3 e_0
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.42     product e_3 e_3 e_3
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_3 e_4 e_2
% 204.21/204.42  |- ~product $X e_4 e_3 \/ cycle e_3 e_0 \/ product $X e_3 e_2
% 204.21/204.42  |- ~product e_2 e_4 $Z2 \/ cycle e_3 e_0 \/ product e_3 e_2 $Z2
% 204.21/204.42  |- ~product $W e_4 e_2 \/ $W == e_3 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 $W e_2 \/ $W == e_4 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 e_4 $W \/ $W == e_2 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_2 e_1 \/ product e_4 e_1 e_2
% 204.21/204.42  |- ~product $X e_1 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_2 \/
% 204.21/204.42     product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_2 e_1 $Z2 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1 \/
% 204.21/204.42     product e_4 e_2 $Z2
% 204.21/204.42  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.42     cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~greater e_2 e_4 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_2 e_1 \/ product e_4 e_2 e_3
% 204.21/204.42  |- ~product $X e_2 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_3 \/
% 204.21/204.42     product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_3 e_2 $Z2 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1 \/
% 204.21/204.42     product e_4 e_3 $Z2
% 204.21/204.42  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_2 e_1 \/ product e_4 e_3 e_1
% 204.21/204.42  |- ~product $X e_3 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_1 \/
% 204.21/204.42     product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_1 e_3 $Z2 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1 \/
% 204.21/204.42     product e_4 e_1 $Z2
% 204.21/204.42  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_2 e_2 e_1
% 204.21/204.42  |- ~product $W e_3 e_3 \/ $W == e_3 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_3 $W e_3 \/ $W == e_3 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_3 e_3 $W \/ $W == e_3 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.42     product e_4 e_3 e_1
% 204.21/204.42  |- ~product $X e_3 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_1 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_1 e_3 $Z2 \/ cycle e_3 e_0 \/ product e_3 e_3 e_1 \/
% 204.21/204.42     product e_3 e_3 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.42  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.42     product e_4 e_1 e_2
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_3 e_4
% 204.21/204.42  |- ~product $X e_3 e_2 \/ cycle e_3 e_0 \/ product $X e_2 e_4
% 204.21/204.42  |- ~product $W e_3 e_4 \/ $W == e_2 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product $Z e_3 e_4 \/ e_2 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 $W e_4 \/ $W == e_3 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 $Z e_4 \/ e_3 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 e_3 $W \/ $W == e_4 \/ cycle e_3 e_0
% 204.21/204.42  |- ~product e_2 e_3 $Z \/ e_4 == $Z \/ cycle e_3 e_0
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_4 e_3 \/ product e_4 e_3 e_1
% 204.21/204.42  |- ~product $X e_3 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_1 \/
% 204.21/204.42     product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_1 e_3 $Z2 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3 \/
% 204.21/204.42     product e_4 e_1 $Z2
% 204.21/204.42  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_4 e_3 \/ product e_4 e_1 e_2
% 204.21/204.42  |- ~product $X e_1 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_2 \/
% 204.21/204.42     product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_2 e_1 $Z2 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3 \/
% 204.21/204.42     product e_4 e_2 $Z2
% 204.21/204.42  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.42     cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~greater e_2 e_4 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_2 e_4 e_3 \/ product e_4 e_2 e_3
% 204.21/204.42  |- ~product $X e_2 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_3 \/
% 204.21/204.42     product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_3 e_2 $Z2 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3 \/
% 204.21/204.42     product e_4 e_3 $Z2
% 204.21/204.42  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_2 e_4 e_3
% 204.21/204.42  |- ~product $X e_1 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_2 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_2 e_1 $Z2 \/ cycle e_3 e_0 \/ product e_3 e_3 e_1 \/
% 204.21/204.42     product e_3 e_3 e_2 \/ product e_4 e_2 $Z2
% 204.21/204.42  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.42     cycle e_3 e_0 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~greater e_2 e_4 \/ cycle e_3 e_0 \/ product e_3 e_3 e_1 \/
% 204.21/204.42     product e_3 e_3 e_2
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.42     product e_4 e_2 e_3
% 204.21/204.42  |- ~product $X e_2 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_3 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_3 e_2 $Z2 \/ cycle e_3 e_0 \/ product e_3 e_3 e_1 \/
% 204.21/204.42     product e_3 e_3 e_2 \/ product e_4 e_3 $Z2
% 204.21/204.42  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_3 e_0 \/
% 204.21/204.42     product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_1 e_4 e_2 \/ product e_4 e_1 e_2
% 204.21/204.42  |- ~product $X e_1 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_2 \/
% 204.21/204.42     product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_2 e_1 $Z2 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2 \/
% 204.21/204.42     product e_4 e_2 $Z2
% 204.21/204.42  |- ~product $W e_1 e_2 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product $Z e_1 e_2 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 $W e_2 \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 $Z e_2 \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 e_1 $W \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 e_1 $Z \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~cycle e_4 $Y \/ ~greater $Y e_0 \/ ~next e_4 $X1 \/ e_2 == $X1 \/
% 204.21/204.42     cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~greater e_2 e_4 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_1 e_4 e_2 \/ product e_4 e_2 e_3
% 204.21/204.42  |- ~product $X e_2 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_3 \/
% 204.21/204.42     product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_3 e_2 $Z2 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2 \/
% 204.21/204.42     product e_4 e_3 $Z2
% 204.21/204.42  |- ~product $W e_2 e_3 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product $Z e_2 e_3 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 $W e_3 \/ $W == e_2 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 $Z e_3 \/ e_2 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 e_2 $W \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 e_2 $Z \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- cycle e_3 e_0 \/ product e_1 e_4 e_2 \/ product e_4 e_3 e_1
% 204.21/204.42  |- ~product $X e_3 e_4 \/ cycle e_3 e_0 \/ product $X e_4 e_1 \/
% 204.21/204.42     product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_1 e_3 $Z2 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2 \/
% 204.21/204.42     product e_4 e_1 $Z2
% 204.21/204.42  |- ~product $W e_3 e_1 \/ $W == e_4 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 $W e_1 \/ $W == e_3 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 e_3 $W \/ $W == e_1 \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ cycle e_3 e_0 \/ product e_1 e_4 e_2
% 204.21/204.42  |- product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.42     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.43  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1 \/ product e_4 e_3 e_2
% 204.21/204.43  |- product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_3 e_4 e_1 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_2 e_3 $Z2 \/ product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_2 $Z2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_1 e_1 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product $X e_4 e_3 \/ product $X e_3 e_2 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product e_2 e_4 $Z2 \/ product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_3 e_2 $Z2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_3 e_4 e_1
% 204.21/204.43  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- ~product e_1 e_3 $Z2 \/ product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_1 $Z2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_2 e_2 e_1 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 e_1
% 204.21/204.43  |- product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/
% 204.21/204.43     product e_3 e_4 e_2 \/ product e_4 e_2 e_1
% 204.21/204.43  |- ~product $X e_2 e_4 \/ product $X e_4 e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product e_1 e_2 $Z2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.43     product e_1 e_3 e_3 \/ product e_3 e_4 e_2 \/ product e_4 e_1 $Z2
% 204.21/204.43  |- ~product $W e_2 e_1 \/ $W == e_4 \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product $Z e_2 e_1 \/ e_4 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product e_4 $W e_1 \/ $W == e_2 \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product e_4 $Z e_1 \/ e_2 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product e_4 e_2 $W \/ $W == e_1 \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product e_4 e_2 $Z \/ e_1 == $Z \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~cycle e_2 $_2395 \/ ~greater $_2395 e_0 \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.43  |- ~cycle e_2 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.43     product e_1 e_3 e_3
% 204.21/204.43  |- ~cycle e_2 e_2 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.43     product e_1 e_3 e_3
% 204.21/204.43  |- ~cycle e_2 e_3 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.43     product e_1 e_3 e_3
% 204.21/204.43  |- ~cycle e_2 e_4 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.43     product e_1 e_3 e_3
% 204.21/204.43  |- product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/
% 204.21/204.43     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product $X e_3 e_4 \/ product $X e_4 e_1 \/ product e_1 e_4 e_1 \/
% 204.21/204.43     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_1 e_3 $Z2 \/ product e_1 e_4 e_1 \/ product e_1 e_4 e_2 \/
% 204.21/204.43     product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_1 $Z2
% 204.21/204.43  |- ~product $W e_3 e_1 \/ $W == e_4 \/ product e_1 e_4 e_1 \/
% 204.21/204.43     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product $Z e_3 e_1 \/ e_4 == $Z \/ product e_1 e_4 e_1 \/
% 204.21/204.43     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_4 $W e_1 \/ $W == e_3 \/ product e_1 e_4 e_1 \/
% 204.21/204.43     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_4 $Z e_1 \/ e_3 == $Z \/ product e_1 e_4 e_1 \/
% 204.21/204.43     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_4 e_3 $W \/ $W == e_1 \/ product e_1 e_4 e_1 \/
% 204.21/204.43     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_4 e_3 $Z \/ e_1 == $Z \/ product e_1 e_4 e_1 \/
% 204.21/204.43     product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~cycle e_3 $_2450 \/ ~greater $_2450 e_0 \/ product e_2 e_4 e_1 \/
% 204.21/204.43     product e_2 e_4 e_2 \/ product e_3 e_1 e_1
% 204.21/204.43  |- ~cycle e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_2 e_4 e_2 \/
% 204.21/204.43     product e_3 e_1 e_1
% 204.21/204.43  |- ~cycle e_3 $_2453 \/ ~greater $_2453 e_0 \/ product e_1 e_3 e_2 \/
% 204.21/204.43     product e_1 e_4 e_1
% 204.21/204.43  |- ~cycle e_3 e_1 \/ product e_1 e_3 e_2 \/ product e_1 e_4 e_1
% 204.21/204.43  |- product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/
% 204.21/204.43     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.43  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/
% 204.21/204.43     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_3 e_1 \/
% 204.21/204.43     product e_4 e_3 e_2
% 204.21/204.43  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_2 e_3 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/
% 204.21/204.43     product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_2 $Z2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1
% 204.21/204.43  |- product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/
% 204.21/204.43     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_3 e_4 e_1
% 204.21/204.43  |- ~product $X e_4 e_3 \/ product $X e_3 e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_1 e_4 $Z2 \/ product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/
% 204.21/204.43     product e_3 e_1 $Z2 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product $W e_4 e_1 \/ $W == e_3 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product $Z e_4 e_1 \/ e_3 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $W e_1 \/ $W == e_4 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $Z e_1 \/ e_4 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_4 $W \/ $W == e_1 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_4 $Z \/ e_1 == $Z \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2
% 204.21/204.43  |- ~cycle e_3 $_2665 \/ ~greater $_2665 e_0 \/ product e_1 e_3 e_1 \/
% 204.21/204.43     product e_1 e_3 e_2 \/ product e_1 e_3 e_3
% 204.21/204.43  |- ~cycle e_3 e_1 \/ product e_1 e_3 e_1 \/ product e_1 e_3 e_2 \/
% 204.21/204.43     product e_1 e_3 e_3
% 204.21/204.43  |- ~cycle e_3 $_2740 \/ ~greater $_2740 e_0 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_2 e_4 e_1 \/ product e_3 e_1 e_1
% 204.21/204.43  |- ~cycle e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_2 e_4 e_1 \/
% 204.21/204.43     product e_3 e_1 e_1
% 204.21/204.43  |- product e_2 e_2 e_2 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_3 e_3 e_3
% 204.21/204.43  |- ~product $W e_3 e_3 \/ $W == e_3 \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product $Z e_3 e_3 \/ e_3 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $W e_3 \/ $W == e_3 \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 $Z e_3 \/ e_3 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_3 $W \/ $W == e_3 \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- ~product e_3 e_3 $Z \/ e_3 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2
% 204.21/204.43  |- product e_2 e_2 e_2 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_4 e_3 e_1 \/ product e_4 e_3 e_2
% 204.21/204.43  |- product e_2 e_2 e_2 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_2 \/ product e_3 e_4 e_1 \/ product e_3 e_4 e_2
% 204.21/204.43  |- ~product $X e_3 e_4 \/ product $X e_4 e_2 \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product e_2 e_3 $Z2 \/ product e_2 e_2 e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.43     product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/ product e_4 e_2 $Z2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product $W e_3 e_2 \/ $W == e_4 \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.43  |- ~product $Z e_3 e_2 \/ e_4 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.43     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.43     product e_4 e_3 e_1
% 204.21/204.44  |- ~product e_4 $W e_2 \/ $W == e_3 \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_4 e_3 e_1
% 204.21/204.44  |- ~product e_4 $Z e_2 \/ e_3 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_4 e_3 e_1
% 204.21/204.44  |- ~product e_4 e_3 $W \/ $W == e_2 \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_4 e_3 e_1
% 204.21/204.44  |- ~product e_4 e_3 $Z \/ e_2 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_4 e_3 e_1
% 204.21/204.44  |- ~product $X e_4 e_3 \/ product $X e_3 e_2 \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  |- ~product e_2 e_4 $Z2 \/ product e_2 e_2 e_2 \/ product e_2 e_3 e_1 \/
% 204.21/204.44     product e_3 e_2 $Z2 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  |- ~product $W e_4 e_2 \/ $W == e_3 \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  |- ~product $Z e_4 e_2 \/ e_3 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  |- ~product e_3 $W e_2 \/ $W == e_4 \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  |- ~product e_3 $Z e_2 \/ e_4 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  |- ~product e_3 e_4 $W \/ $W == e_2 \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  |- ~product e_3 e_4 $Z \/ e_2 == $Z \/ product e_2 e_2 e_2 \/
% 204.21/204.44     product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/ product e_3 e_3 e_2 \/
% 204.21/204.44     product e_3 e_4 e_1
% 204.21/204.44  SZS output end Saturation for /export/starexec/sandbox/benchmark/theBenchmark.p
% 204.21/204.44  
%------------------------------------------------------------------------------