TSTP Solution File: GRP125-1.004 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GRP125-1.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n018.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  : 0s
% DateTime : Sat Jul 16 07:35:08 EDT 2022

% Result   : Satisfiable 1.63s 2.01s
% Output   : Saturation 1.63s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP125-1.004 : TPTP v8.1.0. Released v1.2.0.
% 0.03/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n018.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % DateTime : Mon Jun 13 17:56:42 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.63/2.01  *** allocated 10000 integers for termspace/termends
% 1.63/2.01  *** allocated 10000 integers for clauses
% 1.63/2.01  *** allocated 10000 integers for justifications
% 1.63/2.01  Bliksem 1.12
% 1.63/2.01  
% 1.63/2.01  
% 1.63/2.01  Automatic Strategy Selection
% 1.63/2.01  
% 1.63/2.01  Clauses:
% 1.63/2.01  [
% 1.63/2.01     [ 'group_element'( 'e_1' ) ],
% 1.63/2.01     [ 'group_element'( 'e_2' ) ],
% 1.63/2.01     [ 'group_element'( 'e_3' ) ],
% 1.63/2.01     [ 'group_element'( 'e_4' ) ],
% 1.63/2.01     [ ~( equalish( 'e_1', 'e_2' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_1', 'e_3' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_1', 'e_4' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_2', 'e_1' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_2', 'e_3' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_2', 'e_4' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_3', 'e_1' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_3', 'e_2' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_3', 'e_4' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_4', 'e_1' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_4', 'e_2' ) ) ],
% 1.63/2.01     [ ~( equalish( 'e_4', 'e_3' ) ) ],
% 1.63/2.01     [ ~( 'group_element'( X ) ), ~( 'group_element'( Y ) ), product( X, Y, 
% 1.63/2.01    'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), product( X, Y, 
% 1.63/2.01    'e_4' ) ],
% 1.63/2.01     [ ~( product( X, Y, Z ) ), ~( product( X, Y, T ) ), equalish( Z, T ) ]
% 1.63/2.01    ,
% 1.63/2.01     [ ~( product( X, Y, Z ) ), ~( product( X, T, Z ) ), equalish( Y, T ) ]
% 1.63/2.01    ,
% 1.63/2.01     [ ~( product( X, Y, Z ) ), ~( product( T, Y, Z ) ), equalish( X, T ) ]
% 1.63/2.01    ,
% 1.63/2.01     [ product( X, X, X ) ],
% 1.63/2.01     [ ~( product( X, Y, Z ) ), ~( product( Y, X, T ) ), product( Z, T, X ) ]
% 1.63/2.01    
% 1.63/2.01  ] .
% 1.63/2.01  
% 1.63/2.01  
% 1.63/2.01  percentage equality = 0.000000, percentage horn = 0.954545
% 1.63/2.01  This is a near-Horn, non-equality  problem
% 1.63/2.01  
% 1.63/2.01  
% 1.63/2.01  Options Used:
% 1.63/2.01  
% 1.63/2.01  useres =            1
% 1.63/2.01  useparamod =        0
% 1.63/2.01  useeqrefl =         0
% 1.63/2.01  useeqfact =         0
% 1.63/2.01  usefactor =         1
% 1.63/2.01  usesimpsplitting =  0
% 1.63/2.01  usesimpdemod =      0
% 1.63/2.01  usesimpres =        4
% 1.63/2.01  
% 1.63/2.01  resimpinuse      =  1000
% 1.63/2.01  resimpclauses =     20000
% 1.63/2.01  substype =          standard
% 1.63/2.01  backwardsubs =      1
% 1.63/2.01  selectoldest =      5
% 1.63/2.01  
% 1.63/2.01  litorderings [0] =  split
% 1.63/2.01  litorderings [1] =  liftord
% 1.63/2.01  
% 1.63/2.01  termordering =      none
% 1.63/2.01  
% 1.63/2.01  litapriori =        1
% 1.63/2.01  termapriori =       0
% 1.63/2.01  litaposteriori =    0
% 1.63/2.01  termaposteriori =   0
% 1.63/2.01  demodaposteriori =  0
% 1.63/2.01  ordereqreflfact =   0
% 1.63/2.01  
% 1.63/2.01  litselect =         negative
% 1.63/2.01  
% 1.63/2.01  maxweight =         30000
% 1.63/2.01  maxdepth =          30000
% 1.63/2.01  maxlength =         115
% 1.63/2.01  maxnrvars =         195
% 1.63/2.01  excuselevel =       0
% 1.63/2.01  increasemaxweight = 0
% 1.63/2.01  
% 1.63/2.01  maxselected =       10000000
% 1.63/2.01  maxnrclauses =      10000000
% 1.63/2.01  
% 1.63/2.01  showgenerated =    0
% 1.63/2.01  showkept =         0
% 1.63/2.01  showselected =     0
% 1.63/2.01  showdeleted =      0
% 1.63/2.01  showresimp =       1
% 1.63/2.01  showstatus =       2000
% 1.63/2.01  
% 1.63/2.01  prologoutput =     1
% 1.63/2.01  nrgoals =          5000000
% 1.63/2.01  totalproof =       1
% 1.63/2.01  
% 1.63/2.01  Symbols occurring in the translation:
% 1.63/2.01  
% 1.63/2.01  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 1.63/2.01  .  [1, 2]      (w:1, o:25, a:1, s:1, b:0), 
% 1.63/2.01  !  [4, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 1.63/2.01  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.63/2.01  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.63/2.01  'e_1'  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 1.63/2.01  'group_element'  [40, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 1.63/2.01  'e_2'  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 1.63/2.01  'e_3'  [42, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 1.63/2.01  'e_4'  [43, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 1.63/2.01  equalish  [44, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 1.63/2.01  product  [47, 3]      (w:1, o:51, a:1, s:1, b:0).
% 1.63/2.01  
% 1.63/2.01  
% 1.63/2.01  Starting Search:
% 1.63/2.01  
% 1.63/2.01  Resimplifying inuse:
% 1.63/2.01  Done
% 1.63/2.01  
% 1.63/2.01  
% 1.63/2.01  Intermediate Status:
% 1.63/2.01  Generated:    24205
% 1.63/2.01  Kept:         2008
% 1.63/2.01  Inuse:        1168
% 1.63/2.01  Deleted:      744
% 1.63/2.01  Deletedinuse: 147
% 1.63/2.01  
% 1.63/2.01  Resimplifying inuse:
% 1.63/2.01  Done
% 1.63/2.01  
% 1.63/2.01  Resimplifying inuse:
% 1.63/2.01  Done
% 1.63/2.01  
% 1.63/2.01  Resimplifying inuse:
% 1.63/2.01  Done
% 1.63/2.01  
% 1.63/2.01  
% 1.63/2.01  
% 1.63/2.01  found a saturation!
% 1.63/2.01  % SZS status Satisfiable
% 1.63/2.01  % SZS output start Saturation
% 1.63/2.01  
% 1.63/2.01  clause( 3063, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_3', 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3062, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_3', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3061, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3060, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 
% 1.63/2.01    'e_2', 'e_4', 'e_1' ), product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3052, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3056, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3055, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3054, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3014, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 
% 1.63/2.01    'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3053, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3059, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3058, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3057, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2963, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2968, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.01    'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2972, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2979, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2977, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_3' ), product( 
% 1.63/2.01    'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2966, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2965, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2964, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2971, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2970, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.01    'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2969, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.01    X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2975, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2974, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2973, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2982, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2981, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2980, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2900, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_3' ), product( 
% 1.63/2.01    'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3033, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( X, 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3036, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3035, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3034, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3048, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 1.63/2.01    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3051, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3050, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3049, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_3' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3047, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 1.63/2.01     )
% 1.63/2.01  .
% 1.63/2.01  clause( 3022, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 1.63/2.01    product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3032, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_3' ), 
% 1.63/2.01    product( 'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3028, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3031, [ product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3030, [ product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3029, [ product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3027, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3025, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3024, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3023, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3020, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ]
% 1.63/2.01     )
% 1.63/2.01  .
% 1.63/2.01  clause( 2874, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3004, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3009, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3012, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2871, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), product( 
% 1.63/2.01    'e_2', 'e_4', 'e_1' ), product( X, 'e_3', 'e_4' ), ~( product( 'e_4', 
% 1.63/2.01    'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3011, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3010, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3013, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3007, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_3', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2861, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 
% 1.63/2.01    'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3006, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3005, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 3002, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( 'e_2', 'e_3', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2992, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( 
% 1.63/2.01    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2995, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_4' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2994, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_4', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2993, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2996, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_4', 'e_1'
% 1.63/2.01     ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2990, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 1.63/2.01     )
% 1.63/2.01  .
% 1.63/2.01  clause( 2983, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', 'e_1' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2978, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2891, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2903, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2908, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2915, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2929, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2967, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2962, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2890, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2958, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.01    'e_1' ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( 
% 1.63/2.01    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2961, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_4' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2960, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_4', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2959, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2957, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 1.63/2.01     )
% 1.63/2.01  .
% 1.63/2.01  clause( 2932, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_3', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2931, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2930, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2925, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( 
% 1.63/2.01    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2924, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( 'e_2', 'e_3', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2928, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_4' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2927, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_4', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2926, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.01    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2922, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 1.63/2.01     )
% 1.63/2.01  .
% 1.63/2.01  clause( 2894, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_1', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2893, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2892, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2918, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2917, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2916, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2914, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2906, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2905, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2904, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2911, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2910, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2909, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2907, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2901, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2896, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 1.63/2.01    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2899, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.01    X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2898, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2897, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2895, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ]
% 1.63/2.01     )
% 1.63/2.01  .
% 1.63/2.01  clause( 2885, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2873, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_2', 'e_4', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2872, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_2', X, 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2870, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 
% 1.63/2.01    'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2866, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 
% 1.63/2.01    'e_2', 'e_4', 'e_1' ), product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2869, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_3', 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2868, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_3', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2867, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2865, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 
% 1.63/2.01    'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2322, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 
% 1.63/2.01    'e_2', 'e_4', 'e_1' ), product( X, 'e_3', 'e_4' ), ~( product( 'e_4', 
% 1.63/2.01    'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2325, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2324, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_2', 'e_4', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2323, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_2', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_2', X, 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2321, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_2' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2320, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', 'e_4', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2319, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', X, 'e_2' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2318, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 
% 1.63/2.01    'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2317, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_1' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( X, 'e_2', 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2316, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2315, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2864, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_2' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2863, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', 'e_4', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2862, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', X, 'e_2' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2860, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2314, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.01    X, 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2856, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 
% 1.63/2.01    'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2859, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_2', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2858, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2857, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2855, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2847, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.01    'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2851, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2850, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2849, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.01    'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2848, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.01    X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2854, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2853, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2852, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2846, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2845, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2643, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2815, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2818, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2817, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2816, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3', 
% 1.63/2.01    'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2814, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_3' ), product( 
% 1.63/2.01    'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2810, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2813, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2812, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2811, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2809, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2115, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2114, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2113, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2112, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 
% 1.63/2.01    X, 'e_3', 'e_2' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 
% 1.63/2.01    'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2646, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), equalish( X, 'e_3' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2069, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2068, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 'e_2', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2067, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2705, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2716, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.01    product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2719, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2066, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2718, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2717, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2715, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2065, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2708, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2707, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2706, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2064, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 'e_2', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2709, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    ~( product( 'e_2', 'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2703, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2695, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2699, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2063, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_4' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2698, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2697, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2696, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2702, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2062, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2701, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2700, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2694, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2693, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2678, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2681, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2680, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2679, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2682, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    ~( product( 'e_2', 'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2677, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2667, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2672, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2670, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2669, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2668, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2675, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2674, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2673, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2676, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    ~( product( 'e_1', 'e_2', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2666, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2665, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2645, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2644, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), equalish( X, 'e_4' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2658, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2661, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2660, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2659, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2662, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    ~( product( 'e_2', 'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2657, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2649, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2653, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2652, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2651, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2650, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2656, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1965, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_1' ), product( 'e_4', 'e_4', 'e_2' ), ~( product( X, 'e_2', 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2655, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2654, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2648, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2647, [ product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1964, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_4', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2641, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1963, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_4', 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1962, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), product( 
% 1.63/2.01    X, 'e_3', 'e_2' ), product( 'e_4', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2594, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2597, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2596, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2595, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2598, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', 'e_1' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2590, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1966, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), product( 
% 1.63/2.01    'e_4', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1895, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2004, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2517, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2520, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.01    'e_2', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2519, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.01    'e_2', 'e_2' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2518, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 
% 1.63/2.01    'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2515, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2177, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2277, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2303, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.01    'e_4', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2497, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    X, 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2500, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( X, 'e_2', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2499, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2498, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2496, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2396, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2472, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.01    'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2476, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2475, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2474, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.01    'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2473, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.01    X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2479, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2478, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2477, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2471, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2469, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2399, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2398, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2397, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2437, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 
% 1.63/2.01    'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2440, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_2', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2439, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1651, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2438, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2436, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2428, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.01    'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2432, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1650, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_1' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( X, 'e_2', 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2431, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2430, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.01    'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2429, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.01    X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1649, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_3' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2435, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2434, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2433, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2427, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1648, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), equalish( 
% 1.63/2.01    X, 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_3' )
% 1.63/2.01     ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2426, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1647, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    X, 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2395, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2357, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.01    'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2390, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 
% 1.63/2.01    'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2393, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_2', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2392, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2391, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2389, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2384, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.01    'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2360, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2359, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2358, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.01    X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2387, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2386, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.01    'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2385, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.01    X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2383, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2378, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( X, 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2381, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_2', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2380, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2379, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2382, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    ~( product( 'e_2', 'e_1', 'e_1' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2371, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2363, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2367, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2366, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2365, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2364, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2370, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2369, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2368, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2362, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2361, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2355, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_3', 'e_4', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1818, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_2', 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2313, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1884, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.01    'e_3', 'e_4', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2306, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2305, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2304, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2301, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2280, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2279, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2278, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2275, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 1.63/2.01    'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2180, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_4', 
% 1.63/2.01    'e_3', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2200, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.01    'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2270, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2273, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2272, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2271, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2269, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2205, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2211, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.01    'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2253, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2256, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2255, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2254, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.01    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2252, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.01    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2216, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.01    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.01    'e_1', 'e_2', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 1508, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.01    product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 
% 1.63/2.01    X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2203, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2202, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.01    'e_3', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2201, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.01    X, 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2208, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_1', 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2207, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    'e_1', X ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2206, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.01    X, 'e_4' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2214, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.01    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.01    'e_3', 'e_2' ) ) ] )
% 1.63/2.01  .
% 1.63/2.01  clause( 2213, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.01    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2212, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2219, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2218, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2217, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2210, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2209, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2199, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2198, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2179, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2178, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_4', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2192, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2195, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2194, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2193, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2191, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2183, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2187, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2186, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2185, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2184, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2190, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2189, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2188, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2182, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2181, [ product( 'e_3', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2173, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_3', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2153, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2156, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2155, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2154, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2151, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2110, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 
% 1.63/2.02    'e_3', 'e_1', 'e_3' ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2101, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2106, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2104, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2103, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2102, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2109, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2108, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2107, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2105, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2099, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2091, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2094, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2093, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2092, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2089, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2080, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2084, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2083, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2082, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2081, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2087, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2086, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2085, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2079, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2076, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1989, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_1', 'e_1' ), product( 
% 1.63/2.02    'e_4', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1990, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_1', 'e_1' ), product( 
% 1.63/2.02    'e_4', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1511, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 
% 1.63/2.02    'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1510, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.02    'e_2', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1509, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.02    'e_2', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1329, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1328, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1898, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1327, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1897, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1896, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1326, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_1', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2007, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2006, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2005, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2027, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2032, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2030, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2029, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2028, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2035, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2034, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2033, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2026, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2024, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2010, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2013, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2012, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2011, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2009, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1997, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1687, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1691, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1714, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1993, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1996, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1995, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1994, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1992, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1850, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1885, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1900, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1905, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1969, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ), 
% 1.63/2.02    product( X, 'e_3', 'e_4' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1972, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_3', 'e_3' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1971, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_3', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1970, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_1', 'e_3', 'e_3' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1975, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1978, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1253, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1977, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1976, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1974, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 1938, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1252, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ), equalish( X, 'e_3' ), product( 'e_4', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1943, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1957, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1251, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ), equalish( X, 'e_1' ), product( 'e_4', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1941, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1940, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1939, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1946, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1250, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_4', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1945, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1944, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1958, [ product( X, 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' )
% 1.63/2.02    , ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1961, [ equalish( X, 'e_3' ), product( 'e_2', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1247, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ), product( 
% 1.63/2.02    'e_4', 'e_4', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1960, [ equalish( X, 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1959, [ equalish( X, 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1956, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1937, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 1934, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 1903, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1902, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1901, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1929, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1932, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1931, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1930, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1928, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1238, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1908, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1907, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1237, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1906, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1904, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1899, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1236, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1881, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.02    'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1853, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1888, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1235, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1887, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1886, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1882, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1875, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.02    product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1878, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1877, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1876, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1873, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1868, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1871, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_4' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1870, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1869, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1872, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1866, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 1852, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1851, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1849, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1829, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1832, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1831, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1830, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1828, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1820, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1823, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1822, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1821, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1819, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1814, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1817, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1816, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1815, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1813, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1805, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_3' ), product( X, 'e_3', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1808, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_3' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1807, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_3' ), ~( product( 'e_2', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1806, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_3' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1797, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_3' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1690, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1689, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1688, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1694, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1693, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1692, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1717, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1716, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1715, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1707, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1103, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1686, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1685, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1102, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_4', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1101, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_4', 
% 1.63/2.02    'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1100, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_4', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1097, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_3', 'e_4', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1543, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1546, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1545, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1544, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1557, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 1.63/2.02    'e_1' ), product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1560, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1559, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1558, [ product( 'e_1', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1555, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1538, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.02    product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1537, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1541, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1540, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1539, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1535, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1530, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1533, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1532, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1531, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1534, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1519, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 1502, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_1' ), 
% 1.63/2.02    product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), product( 
% 1.63/2.02    'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1032, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1053, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1012, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1062, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1486, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1011, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1489, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1488, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1487, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1485, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1010, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1116, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1130, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1136, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1009, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1343, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1462, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1465, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1464, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1463, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1461, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1373, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1378, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1457, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1460, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1459, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1458, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1456, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1385, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1389, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1437, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1442, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1440, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1439, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1445, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1444, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1443, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1441, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 958, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_3', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1438, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1435, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1420, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1430, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1433, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1432, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1431, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1428, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 950, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_3', 'e_4' ), ~( product( 
% 1.63/2.02    'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1424, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( X, 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1423, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1422, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1421, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1427, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1426, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1425, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1419, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1418, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1346, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1345, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1344, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_4', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1376, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1375, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1374, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1381, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1388, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1387, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1386, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1392, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1391, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1390, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1384, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1383, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1380, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1379, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1372, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1371, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1361, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1364, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1363, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1362, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1360, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1349, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1354, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1352, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1351, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1350, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1357, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1356, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1355, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1358, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    ~( product( 'e_1', 'e_2', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1348, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1347, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1336, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1332, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1335, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1334, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1333, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1331, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1280, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1284, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( X, 'e_4', 'e_1' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1325, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1321, [ product( 'e_2', 'e_4', 'e_1' ), product( X, 'e_1', 'e_4' )
% 1.63/2.02    , ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1324, [ equalish( X, 'e_3' ), product( 'e_2', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_4', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1323, [ equalish( X, 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1322, [ equalish( X, 'e_4' ), product( 'e_2', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1320, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 
% 1.63/2.02    'e_1' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1283, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1282, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 840, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1281, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_4', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1287, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1286, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1285, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1279, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1277, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1226, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1230, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1229, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1228, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_4' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1227, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1233, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1232, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_4' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1231, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 801, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_3', 'e_2' ), product( 'e_4', 'e_4', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 800, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1212, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_3', 'e_4' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 1220, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_3', 'e_4' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 799, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 'e_4', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 798, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 'e_4', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1213, [ product( 'e_4', 'e_2', 'e_1' ), product( X, 'e_2', 'e_1' )
% 1.63/2.02    , ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1221, [ product( X, 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1' )
% 1.63/2.02    , ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 797, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 'e_4', 
% 1.63/2.02    'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1216, [ equalish( X, 'e_4' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1215, [ equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1214, [ equalish( X, 'e_1' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 796, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_4', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1224, [ equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1223, [ equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1222, [ equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1218, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1217, [ product( 'e_4', 'e_2', 'e_1' ), ~( product( 'e_1', 'e_4', 
% 1.63/2.02    'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1211, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 843, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 842, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 841, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 953, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 952, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 951, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 961, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 960, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 959, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1035, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1034, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1033, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1151, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1154, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1153, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1152, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1150, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1056, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1055, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1054, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_1', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1065, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1064, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1063, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1119, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1118, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.02    'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1117, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_4' ), product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', 
% 1.63/2.02    X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1133, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1132, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1131, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1139, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1138, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_3' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1137, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    equalish( X, 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_2', 
% 1.63/2.02    X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1140, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1134, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1128, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1115, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1036, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 
% 1.63/2.02    'e_1' ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 600, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_4', 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 607, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 613, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 620, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_2', 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 632, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_3', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 681, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 719, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ), 
% 1.63/2.02    product( X, 'e_3', 'e_4' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 724, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 758, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 920, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_3', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1070, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1073, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_4' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1072, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1071, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1069, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 575, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 'e_1', 
% 1.63/2.02    'e_2', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 587, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 1.63/2.02     ), product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 574, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 'e_1', 
% 1.63/2.02    'e_2', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 612, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 573, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 'e_1', 
% 1.63/2.02    'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 572, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_1', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1003, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1027, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1030, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1029, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1028, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), equalish( X, 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1026, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 
% 1.63/2.02    'e_1' ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 1005, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 538, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.02    product( X, 'e_4', 'e_3' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1008, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    X, 'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1007, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1006, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_3', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 537, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1002, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 
% 1.63/2.02    'e_2' ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_3', 'e_2', 'e_4' ) ]
% 1.63/2.02     )
% 1.63/2.02  .
% 1.63/2.02  clause( 991, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 995, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_1', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 994, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 993, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 992, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 998, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 997, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 996, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 990, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 989, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 873, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 937, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_4', 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 923, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 922, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 921, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 496, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( X, 'e_3', 'e_1' ), product( 
% 1.63/2.02    'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 918, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_3' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 905, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 908, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 907, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 906, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_3', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 901, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 637, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 836, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 839, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 838, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 837, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 835, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 499, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_4'
% 1.63/2.02    , 'e_2', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 498, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_4'
% 1.63/2.02    , 'e_2', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 497, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 'e_4'
% 1.63/2.02    , 'e_2', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 541, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_2' ), product( 'e_1'
% 1.63/2.02    , 'e_4', 'e_2' ), ~( product( X, 'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 540, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_4' ), product( 'e_1'
% 1.63/2.02    , 'e_4', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 539, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 'e_1'
% 1.63/2.02    , 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 610, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_3'
% 1.63/2.02    , 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 609, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3'
% 1.63/2.02    , 'e_2', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 608, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3'
% 1.63/2.02    , 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 616, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 615, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 614, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 623, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_2'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 410, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_4', 'e_2' ), equalish( X, 'e_1' ), product( 'e_2', 
% 1.63/2.02    'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 622, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_2'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 621, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 'e_2'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 409, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_4', 'e_2' ), equalish( X, 'e_3' ), product( 'e_2', 
% 1.63/2.02    'e_1', 'e_3' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 635, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 634, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 633, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), equalish( X, 'e_1' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 408, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_4', 'e_2' ), equalish( X, 'e_2' ), product( 'e_2', 
% 1.63/2.02    'e_1', 'e_3' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 407, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_4', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 684, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_2'
% 1.63/2.02    , 'e_4', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 683, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_2'
% 1.63/2.02    , 'e_4', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 682, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_2'
% 1.63/2.02    , 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 404, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_4', 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 722, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_3' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 721, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_3' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 720, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), equalish( X, 'e_4' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_3' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 727, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_4' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 726, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_3' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_3' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 725, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), equalish( X, 'e_2' ), product( 'e_3'
% 1.63/2.02    , 'e_1', 'e_3' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 761, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 760, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 759, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_1'
% 1.63/2.02    , 'e_3', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 762, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 776, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 779, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 778, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 777, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 775, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 765, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_3', 'e_4' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 771, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 774, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 773, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 772, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 770, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 768, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 767, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 766, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_2' ), ~( product( 
% 1.63/2.02    'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 763, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 746, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 753, [ product( X, 'e_2', 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), 
% 1.63/2.02    ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 756, [ equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 755, [ equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 754, [ equalish( X, 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 752, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 741, [ product( 'e_3', 'e_2', 'e_1' ), product( X, 'e_2', 'e_1' ), 
% 1.63/2.02    ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 744, [ equalish( X, 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 743, [ equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 742, [ equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 745, [ product( 'e_3', 'e_2', 'e_1' ), ~( product( 'e_1', 'e_3', 
% 1.63/2.02    'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 739, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 703, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_3' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 714, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ), product( 'e_1', 'e_3', 'e_3' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 699, [ product( 'e_2', 'e_3', 'e_1' ), product( X, 'e_2', 'e_3' ), 
% 1.63/2.02    ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 702, [ equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 701, [ equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 700, [ equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 698, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 679, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_4', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 617, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 624, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 491, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 639, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_1', 'e_2' ), product( X, 'e_4', 'e_2' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 642, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 641, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 640, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_3', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 636, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_3', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 521, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_1', 'e_2' ), product( X, 'e_2', 'e_4' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 531, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( X, 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 317, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_3', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 370, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 419, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_1', 'e_3', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 422, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 283, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_1' ), product( 'e_2', 
% 1.63/2.02    'e_1', 'e_3' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 282, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_3' ), product( 'e_2', 
% 1.63/2.02    'e_1', 'e_3' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 281, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), equalish( X, 'e_2' ), product( 'e_2', 
% 1.63/2.02    'e_1', 'e_3' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 280, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( X, 'e_3', 'e_2' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 277, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), product( 
% 1.63/2.02    'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 565, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 568, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_1' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 567, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 566, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_1', 'e_3', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 564, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_1', 'e_3', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 530, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 494, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_2', 'e_4', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 493, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_2', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 492, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_2', 'e_4', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 524, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( X, 
% 1.63/2.02    'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 523, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 522, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_4', 'e_1', 'e_2' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 534, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 533, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 532, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_3', 'e_4', 'e_1' ), ~( product( 
% 1.63/2.02    'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 520, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_3', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 518, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_4', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_4', 'e_1', 'e_2' ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 448, [ product( 'e_3', 'e_2', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 501, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 1.63/2.02     ), product( X, 'e_4', 'e_2' ), ~( product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 504, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 503, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 502, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 500, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_3', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 467, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 1.63/2.02     ), product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 239, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_1', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_4', 'e_2', 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 392, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_4', 'e_2' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 470, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 469, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 468, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 481, [ product( 'e_3', 'e_2', 'e_1' ), product( X, 'e_1', 'e_4' ), 
% 1.63/2.02    ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 484, [ equalish( X, 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_4', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 483, [ equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 482, [ equalish( X, 'e_4' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 473, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 465, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 451, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 450, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 449, [ product( 'e_3', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_2', 'e_2' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 444, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_3', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 395, [ product( 'e_3', 'e_2', 'e_1' ), product( X, 'e_1', 'e_2' ), 
% 1.63/2.02    ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 400, [ product( 'e_3', 'e_2', 'e_1' ), product( X, 'e_1', 'e_3' ), 
% 1.63/2.02    ~( product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 143, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_4', 'e_4', 'e_2' ), product( 'e_2', 'e_1', 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_1', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 398, [ equalish( X, 'e_4' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_2', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 397, [ equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 396, [ equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 403, [ equalish( X, 'e_2' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_3', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 402, [ equalish( X, 'e_1' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 401, [ equalish( X, 'e_3' ), product( 'e_3', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 394, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_2', 'e_3', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 391, [ product( 'e_3', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 136, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_3', 'e_3' ), product( X, 'e_4', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 139, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 138, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 
% 1.63/2.02    'e_2', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 137, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_3' ), ~( product( 
% 1.63/2.02    'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 112, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ), product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 190, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( X, 'e_2', 'e_4' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 202, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), product( X, 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 209, [ product( 'e_4', 'e_2', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 233, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 1.63/2.02     ), product( X, 'e_2', 'e_3' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 240, [ product( 'e_4', 'e_2', 'e_1' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 105, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 1.63/2.02     ), product( X, 'e_3', 'e_4' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 264, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), product( X, 'e_4', 'e_2' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 272, [ product( 'e_2', 'e_3', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 295, [ product( 'e_2', 'e_3', 'e_1' ), product( X, 'e_1', 'e_4' ), 
% 1.63/2.02    ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 298, [ equalish( X, 'e_2' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_4', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 297, [ equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 296, [ equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 294, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 267, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( X, 'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 266, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 265, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 275, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 274, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 273, [ product( 'e_2', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 89, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_4', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_2' ), product( 'e_1', 'e_2', 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_2', 'e_2' ), product( 'e_2', 'e_1', 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 276, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), ~( product( 'e_1', 'e_2', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 269, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 255, [ product( 'e_2', 'e_3', 'e_1' ), product( X, 'e_1', 'e_3' ), 
% 1.63/2.02    ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 254, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 85, [ product( 'e_4', 'e_1', 'e_1' ), product( X, 'e_3', 'e_1' ), 
% 1.63/2.02    product( 'e_4', 'e_1', 'e_2' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 258, [ equalish( X, 'e_4' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_3', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 257, [ equalish( X, 'e_1' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 256, [ equalish( X, 'e_3' ), product( 'e_2', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 253, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 78, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 1.63/2.02     ), product( X, 'e_3', 'e_4' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 236, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 235, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 234, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 243, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), ~( product( X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 242, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 241, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_4', 'e_2', 'e_2' ), ~( product( 'e_3', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 237, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 228, [ product( 'e_4', 'e_2', 'e_1' ), product( X, 'e_1', 'e_4' ), 
% 1.63/2.02    ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 227, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 231, [ equalish( X, 'e_2' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_4', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 230, [ equalish( X, 'e_1' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 229, [ equalish( X, 'e_4' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 70, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_1', 'e_3', 'e_3' ), ~( product( X, 
% 1.63/2.02    'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 226, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 69, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_1', 'e_3', 'e_3' ), ~( product( 
% 1.63/2.02    'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 68, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_1', 'e_3', 'e_3' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 193, [ product( 'e_4', 'e_3', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 192, [ product( 'e_4', 'e_3', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 67, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_3' ), product( X, 'e_4', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 191, [ product( 'e_4', 'e_3', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_1', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 205, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( X, 'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 204, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 203, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 60, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 1.63/2.02     ), product( X, 'e_3', 'e_2' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 212, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 211, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 210, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_3', 'e_4', 'e_1' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 186, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_3', 'e_2' ), 
% 1.63/2.02    ~( product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 207, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 196, [ product( 'e_4', 'e_2', 'e_1' ), product( X, 'e_1', 'e_3' ), 
% 1.63/2.02    ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 195, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 199, [ equalish( X, 'e_4' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_3', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 198, [ equalish( X, 'e_1' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 197, [ equalish( X, 'e_3' ), product( 'e_4', 'e_2', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 194, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_3', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 184, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 189, [ equalish( X, 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 188, [ equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 187, [ equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 183, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_1', 'e_2', 'e_3'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 153, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_2', 'e_3' ), 
% 1.63/2.02    ~( product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 176, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.02    ~( product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 179, [ equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 178, [ equalish( X, 'e_4' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 177, [ equalish( X, 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 173, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_2', 'e_1', 'e_4'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 163, [ product( 'e_4', 'e_3', 'e_1' ), product( X, 'e_1', 'e_4' ), 
% 1.63/2.02    ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 53, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_1', 'e_2', 'e_3' ), ~( product( X, 
% 1.63/2.02    'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 166, [ equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_4', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 165, [ equalish( X, 'e_1' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 52, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_1', 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 164, [ equalish( X, 'e_4' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', X, 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 162, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_3', 'e_4', 'e_1'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 156, [ equalish( X, 'e_4' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 51, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_1', 'e_2', 'e_3' ), ~( product( 
% 1.63/2.02    'e_1', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 155, [ equalish( X, 'e_2' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 154, [ equalish( X, 'e_3' ), product( 'e_4', 'e_3', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_4', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 150, [ product( 'e_4', 'e_3', 'e_1' ), product( 'e_4', 'e_3', 'e_2'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 50, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( X, 'e_4', 'e_2' ), product( 'e_1', 'e_2', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 65, [ product( 'e_2', 'e_3', 'e_1' ), product( 'e_2', 'e_3', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_3', 'e_3' ), product( 'e_2', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 46, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_3' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 126, [ product( 'e_3', 'e_4', 'e_1' ), product( X, 'e_2', 'e_4' ), 
% 1.63/2.02    ~( product( 'e_4', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 45, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 129, [ equalish( X, 'e_3' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 128, [ equalish( X, 'e_2' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 127, [ equalish( X, 'e_4' ), product( 'e_3', 'e_4', 'e_1' ), ~( 
% 1.63/2.02    product( 'e_3', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 44, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_3', 'e_1', 'e_3' ), ~( product( 
% 1.63/2.02    'e_3', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 124, [ product( 'e_3', 'e_4', 'e_1' ), product( 'e_3', 'e_4', 'e_2'
% 1.63/2.02     ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 115, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_1' ), ~( product( X, 'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 43, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 1.63/2.02     ), product( X, 'e_4', 'e_1' ), product( 'e_3', 'e_1', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_3', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 114, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 113, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_1' ), ~( product( 'e_1', X, 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 111, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_1'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 42, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_2' ), product( 'e_2', 'e_1', 'e_3' ), ~( product( X, 
% 1.63/2.02    'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 108, [ product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_2' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 107, [ product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_3' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_2' ), ~( product( 'e_2', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 106, [ product( 'e_2', 'e_4', 'e_1' ), equalish( X, 'e_4' ), 
% 1.63/2.02    product( 'e_2', 'e_4', 'e_2' ), ~( product( 'e_2', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 103, [ product( 'e_2', 'e_4', 'e_1' ), product( 'e_2', 'e_4', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 41, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_4' ), product( 'e_2', 'e_1', 'e_3' ), ~( product( 
% 1.63/2.02    'e_2', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 40, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 1.63/2.02     ), equalish( X, 'e_1' ), product( 'e_2', 'e_1', 'e_3' ), ~( product( 
% 1.63/2.02    'e_2', X, 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 81, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( X, 'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 39, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 1.63/2.02     ), product( X, 'e_4', 'e_1' ), product( 'e_2', 'e_1', 'e_3' ), ~( 
% 1.63/2.02    product( 'e_1', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 88, [ product( 'e_4', 'e_1', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_4', 'e_1', 'e_2' ), ~( product( X, 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 87, [ product( 'e_4', 'e_1', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_4', 'e_1', 'e_2' ), ~( product( 'e_4', 'e_1', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 86, [ product( 'e_4', 'e_1', 'e_1' ), equalish( X, 'e_1' ), product( 
% 1.63/2.02    'e_4', 'e_1', 'e_2' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 83, [ product( 'e_4', 'e_1', 'e_1' ), product( 'e_4', 'e_1', 'e_2'
% 1.63/2.02     ), product( 'e_4', 'e_1', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 80, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', 'e_4', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 79, [ product( 'e_1', 'e_4', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_1', 'e_4', 'e_2' ), ~( product( 'e_1', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 77, [ product( 'e_1', 'e_4', 'e_1' ), product( 'e_1', 'e_4', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_4', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 31, [ product( X, 'e_4', 'e_4' ), product( X, 'e_4', 'e_1' ), 
% 1.63/2.02    product( X, 'e_4', 'e_2' ), product( X, 'e_4', 'e_3' ), ~( 
% 1.63/2.02    'group_element'( X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 64, [ product( 'e_1', 'e_3', 'e_1' ), product( 'e_1', 'e_3', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_3', 'e_3' ), product( 'e_1', 'e_3', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 63, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_4' ), product( 
% 1.63/2.02    'e_4', 'e_2', 'e_2' ), ~( product( X, 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 62, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_3' ), product( 
% 1.63/2.02    'e_4', 'e_2', 'e_2' ), ~( product( 'e_4', 'e_2', X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 61, [ product( 'e_4', 'e_2', 'e_1' ), equalish( X, 'e_2' ), product( 
% 1.63/2.02    'e_4', 'e_2', 'e_2' ), ~( product( 'e_4', X, 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 30, [ product( X, 'e_3', 'e_4' ), product( X, 'e_3', 'e_1' ), 
% 1.63/2.02    product( X, 'e_3', 'e_2' ), product( X, 'e_3', 'e_3' ), ~( 
% 1.63/2.02    'group_element'( X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 59, [ product( 'e_4', 'e_2', 'e_1' ), product( 'e_4', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_4', 'e_2', 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 47, [ product( 'e_1', 'e_2', 'e_1' ), product( 'e_1', 'e_2', 'e_2'
% 1.63/2.02     ), product( 'e_1', 'e_2', 'e_3' ), product( 'e_1', 'e_2', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 29, [ product( X, 'e_2', 'e_4' ), product( X, 'e_2', 'e_1' ), 
% 1.63/2.02    product( X, 'e_2', 'e_2' ), product( X, 'e_2', 'e_3' ), ~( 
% 1.63/2.02    'group_element'( X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 37, [ product( 'e_3', 'e_1', 'e_1' ), product( 'e_3', 'e_1', 'e_2'
% 1.63/2.02     ), product( 'e_3', 'e_1', 'e_3' ), product( 'e_3', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 36, [ product( 'e_2', 'e_1', 'e_1' ), product( 'e_2', 'e_1', 'e_2'
% 1.63/2.02     ), product( 'e_2', 'e_1', 'e_3' ), product( 'e_2', 'e_1', 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 28, [ product( X, 'e_1', 'e_4' ), product( X, 'e_1', 'e_1' ), 
% 1.63/2.02    product( X, 'e_1', 'e_2' ), product( X, 'e_1', 'e_3' ), ~( 
% 1.63/2.02    'group_element'( X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 35, [ product( Y, X, X ), ~( product( X, X, Y ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 22, [ product( X, X, 'e_4' ), product( X, X, 'e_1' ), product( X, X
% 1.63/2.02    , 'e_2' ), product( X, X, 'e_3' ), ~( 'group_element'( X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 21, [ ~( product( X, Y, Z ) ), product( Z, T, X ), ~( product( Y, X
% 1.63/2.02    , T ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 34, [ equalish( X, Y ), ~( product( Y, X, Y ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 18, [ equalish( Y, T ), ~( product( X, Y, Z ) ), ~( product( X, T, 
% 1.63/2.02    Z ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 33, [ equalish( X, Y ), ~( product( Y, Y, X ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 17, [ equalish( Z, T ), ~( product( X, Y, Z ) ), ~( product( X, Y, 
% 1.63/2.02    T ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 32, [ equalish( X, Y ), ~( product( X, Y, Y ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 19, [ equalish( X, T ), ~( product( X, Y, Z ) ), ~( product( T, Y, 
% 1.63/2.02    Z ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 26, [ product( Y, Y, X ), ~( product( X, X, Y ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 16, [ ~( 'group_element'( X ) ), product( X, Y, 'e_4' ), product( X
% 1.63/2.02    , Y, 'e_1' ), product( X, Y, 'e_2' ), product( X, Y, 'e_3' ), ~( 
% 1.63/2.02    'group_element'( Y ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 27, [ equalish( X, X ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 7, [ ~( equalish( 'e_2', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 6, [ ~( equalish( 'e_1', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 8, [ ~( equalish( 'e_2', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 9, [ ~( equalish( 'e_2', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 10, [ ~( equalish( 'e_3', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 11, [ ~( equalish( 'e_3', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 5, [ ~( equalish( 'e_1', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 12, [ ~( equalish( 'e_3', 'e_4' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 13, [ ~( equalish( 'e_4', 'e_1' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 14, [ ~( equalish( 'e_4', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 15, [ ~( equalish( 'e_4', 'e_3' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 4, [ ~( equalish( 'e_1', 'e_2' ) ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 20, [ product( X, X, X ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 0, [ 'group_element'( 'e_1' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 1, [ 'group_element'( 'e_2' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 2, [ 'group_element'( 'e_3' ) ] )
% 1.63/2.02  .
% 1.63/2.02  clause( 3, [ 'group_element'( 'e_4' ) ] )
% 1.63/2.02  .
% 1.63/2.02  
% 1.63/2.02  
% 1.63/2.02  % SZS output end Saturation
% 1.63/2.02  end of saturation!
% 1.63/2.02  
% 1.63/2.02  Memory use:
% 1.63/2.02  
% 1.63/2.02  space for terms:        79499
% 1.63/2.02  space for clauses:      114888
% 1.63/2.02  
% 1.63/2.02  
% 1.63/2.02  clauses generated:      57290
% 1.63/2.02  clauses kept:           3064
% 1.63/2.02  clauses selected:       1911
% 1.63/2.02  clauses deleted:        1930
% 1.63/2.02  clauses inuse deleted:  777
% 1.63/2.02  
% 1.63/2.02  subsentry:          1091856
% 1.63/2.02  literals s-matched: 76679
% 1.63/2.02  literals matched:   75627
% 1.63/2.02  full subsumption:   6216
% 1.63/2.02  
% 1.63/2.02  checksum:           382814435
% 1.63/2.02  
% 1.63/2.02  
% 1.63/2.02  Bliksem ended
%------------------------------------------------------------------------------