S3 x S3 x S3
r0 := (4,7)(6,11)(8,12)(9,10);
r1 := (2,4)(3,6)(5,10)(8,12);
r2 := (1,2)(3,5)(4,8)(6,10)(7,12)(9,11);
r3 := (1,3)(2,5)(4,9)(6,12)(7,10)(8,11);
F := FreeGroup(4);
r0 := F.1;; r1 := F.2;; r2 := F.3;; r3 := F.4;;
G := F/[ r1^2, r0^2, r2^2, r3^2, (r3*r0)^2, (r2*r3)^2, (r2*r0)^2, (r0*r1)^3, (r2*r0*r1*r2*r1)^2, (r3*r1*r0*r2*r1)^2, (r1*r3*r0*r1*r3)^2 ];;
type 0: 3 elements
type 1: 27 elements
type 2: 6 elements
type 3: 6 elements