gap> Read("d:/gap/games/rubik4.g");
Error, the file 'd:/gap/games/rubik4.g' must exist and be readable in
Read( "d:/gap/games/rubik4.g" ) called from
main loop
brk> quit;
gap> Read("d:/gap/games/rubik/rubik4.g");
Syntax error: expression expected in d:/gap/games/rubik/rubik4.g line 11
B*L^(-1),B*D^(-1),D*F^(-1),D*L^(-1));:
                                     ^
gap> Read("d:/gap/games/rubik/rubik4.g");
Error, Variable: 'last' must have a value
gap> Read("d:/gap/games/rubik/rubik4.g");
gap> N1;
43252003274489856000
gap> N2;
180216680310374400
gap> N3;
180216680310374400
gap> N3:=Size(square_group);
663552
gap> Collected( Factors(N3) );
[ [ 2, 13 ], [ 3, 4 ] ]
gap> ans;
false
gap> (1,8) in square_group;
false
gap> (3,6)(1,8) in square_group;
false
gap> (38,19)(1,8) in square_group;
false
gap> (1,6) in square_group;
false
gap> (3,8)(1,6) in square_group;
false
gap> (38,19)(1,6) in square_group;
false
gap> (2,7) in square_group;
false
gap> (26,31)(2,7) in square_group;
false
gap> (18,34)(2,7) in square_group;
false
gap> (21,36)(28,29)(18,34)(2,7) in square_group;
true
gap> (4,5)(10,26)(18,34)(2,7) in square_group;
true
gap> Read("d:/gap/gap3r4p3/lib/abstab.g");
The record 'descriptions' contains brief descriptions of the functions
in this file.
Functions of importance: MakeAbStabChain, FactorPermGroupElement, Shrink
gap> FactorPermGroupElement
> quit;
Syntax error: ; expected
quit;
   ^
gap> FactorPermGroupElement(square_group, (4,5)(10,26)(18,34)(2,7)
> quit;
Syntax error: ) expected
quit;
   ^
gap> FactorPermGroupElement(square_group, (4,5)(10,26)(18,34)(2,7));
g6*g2*g3^-1*g2*g3*g2^-1*g3^-1*g6^-1*g1*g3*g2^-1*g4^-1*g3^-1*g2*g3^-1*g2*g3*g2^\
-1*g3^-1*g1*g3*g2^-1*g4^-1*g2*g3^-1*g2^-1*g3*g2^-1*g6*g2*g3^-1*g2*g3*g2^-1*g3^\
-1*g6^-1*g2*g3^-1*g2*g3*g2^-1*g4*g2*g3^-1*g1^-1*g3*g2*g3^-1*g2^-1*g3*g2^-1*g3*\
g4*g2*g3^-1*g1^-1*g6*g3*g2*g3^-1*g2^-1*g3*g2^-1*g6^-1
gap> w1:=FactorPermGroupElement(square_group, (4,5)(10,26)(18,34)(2,7));
g6*g2*g3^-1*g2*g3*g2^-1*g3^-1*g6^-1*g1*g3*g2^-1*g4^-1*g3^-1*g2*g3^-1*g2*g3*g2^\
-1*g3^-1*g1*g3*g2^-1*g4^-1*g2*g3^-1*g2^-1*g3*g2^-1*g6*g2*g3^-1*g2*g3*g2^-1*g3^\
-1*g6^-1*g2*g3^-1*g2*g3*g2^-1*g4*g2*g3^-1*g1^-1*g3*g2*g3^-1*g2^-1*g3*g2^-1*g3*\
g4*g2*g3^-1*g1^-1*g6*g3*g2*g3^-1*g2^-1*g3*g2^-1*g6^-1
gap> w2:=Shrink(square_group,w1);
g3^-1*g2^-1*g1^-1*g3^-1*g2^-1*g3^-1*g2^-1*g3*g2^-1*g1^-1*g2^-1*g3^-1
gap> FactorPermGroupElement(square_group, U^2);
g1
gap> FactorPermGroupElement(square_group, D^2);
g6
gap> FactorPermGroupElement(square_group, F^2);
g3
gap> FactorPermGroupElement(square_group, B^2);
g5
gap> FactorPermGroupElement(square_group, R^2);
g4
gap> FactorPermGroupElement(square_group, L^2);
g2
gap> w3:=Shrink(square_group,w2);
g3^-1*g2^-1*g1^-1*g3^-1*g2^-1*g3^-1*g2^-1*g3*g2^-1*g1^-1*g2^-1*g3^-1
gap> quit;