1: (1 9 12)

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

2: (5 20 10)

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

3: (7 13 11)

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

4: (1 16 8)

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