1: (0 9 16)

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

2: (7 17 15)

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

3: (5 11 8)

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

4: (7 21 16)

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