1: (2 6 15)

(0 7 5)(1 18 3)(2 12 6 8 4)(9 16 13)(10 19 11)(14 20 17)(15)

2: (0 7 5)

(0)(1 18 3)(2 12 6 8 4)(5)(7)(9 16 13)(10 19 11)(14 20 17)(15)

3: (6 8 12)

(0)(1 18 3)(2 12 4)(5)(6)(7)(8)(9 16 13)(10 19 11)(14 20 17)(15)

4: (1 18 3)

(0)(1)(2 12 4)(3)(5)(6)(7)(8)(9 16 13)(10 19 11)(14 20 17)(15)(18)