GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
# Men(n), from the Cannon et al. paper.
# For testing non-deterministic deduction handling ...
Enum: Men(5), order 551040;
Gr: a,b,c,d,e;
Rel: a^4, b^2, c^2, d^2, e^2, abcd, edEAda, eAbcbaEBACaB, ecacEABABa,
(bc)^5;
Subgr: Dihed(10), index 55104;
Gen: b,c;
Wo:2M;
#Mess:10000;
Text: ** Hard ...;
Hard; Beg;
Text: ** & 100% ...;
DMod:5,100; Beg;
Text: ** 90% ... ;
DMod:5,90; Beg; Beg; Beg; Beg; Beg;
Text: ** 80% ... ;
DMod:5,80; Beg; Beg; Beg; Beg; Beg;
Text: ** 70% ... ;
DMod:5,70; Beg; Beg; Beg; Beg; Beg;
Text: ** 60% ... ;
DMod:5,60; Beg; Beg; Beg; Beg; Beg;
Text: ** 50% ... ;
DMod:5,50; Beg; Beg; Beg; Beg; Beg;
Text: ** 40% ... ;
DMod:5,40; Beg; Beg; Beg; Beg; Beg;
Text: ** 30% ... ;
DMod:5,30; Beg; Beg; Beg; Beg; Beg;