LogTo("c:/gap/games/square1/sqr1_2.log");

u1:=(4,1,6,7);
u2:=(2,3,8,5);

G_u:=Group(u1,u2);
GroupId(G_u);

d1:=(1,2,7,8)(11,61,71,41);
d2:=(3,4,5,6)(21,31,81,51);

G_d:=Group(d1,d2);
GroupId(G_d);

u3:=(1,2,3,4)(11,21,31,41);
d3:=(5,6,7,8)(51,61,71,81);

G:=Group(u1,u2,u3,d1,d2,d3);

Size(G);