p0:= PermList([1, 2, 3, 8, 7, 6, 4, 5]);
p1:= PermList([2, 1, 6, 8, 7, 3, 5, 4]);
p2:= PermList([4, 1, 6, 8, 7, 5, 2, 3]);
p3:= PermList([1, 2, 3, 4, 5, 6, 7, 8]);
p4:= PermList([4, 1, 6, 3, 2, 5, 7, 8]);
p5:= PermList([1, 5, 4, 3, 2, 6, 7, 8]);
H:=Group(p0,p1,p2,p3,p4,p5);