1: (2 4 15)

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

2: (1 7 3)

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

3: (6 20 12)

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

4: (11 16 13)

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