C2 x S4 x S3
r0 := (2,4)(5,8)(6,10)(7,12)(9,11)(13,15);
r1 := (1,2)(3,6)(4,7)(5,9)(8,14)(10,15)(11,16)(12,17)(13,18);
r2 := (1,3)(2,5)(4,8)(6,10)(7,13)(9,11)(12,15)(16,17);
r3 := (6,11)(9,10)(14,18);
F := FreeGroup(4);
r0 := F.1;; r1 := F.2;; r2 := F.3;; r3 := F.4;;
G := F/[ r0^2, r2^2, r1^2, r3^2, (r3*r2)^2, (r3*r0)^2, (r0*r2)^2, (r1*r3)^4, (r1*r3*r1*r0)^2, r3*(r1*r3*r2)^2*r1*r2, (r1*r0*r1*r2*r0)^2, (r1*r3*(r1*r2)^2)^2 ];;
type 0: 6 elements
type 1: 36 elements
type 2: 6 elements
type 3: 4 elements