1: (2 8 12)

(0 21 5)(1 19 3)(2 9 7 17 14 12 4)(6 15 13 11 10)(8)(16 20 18)

2: (6 15 10)

(0 21 5)(1 19 3)(2 9 7 17 14 12 4)(6)(8)(10 13 11)(15)(16 20 18)

3: (2 9 7)

(0 21 5)(1 19 3)(2 17 14 12 4)(6)(7)(8)(9)(10 13 11)(15)(16 20 18)

4: (2 17 14)

(0 21 5)(1 19 3)(2 12 4)(6)(7)(8)(9)(10 13 11)(14)(15)(16 20 18)(17)