1: (0 2 6)

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

2: (1 21 5)

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

3: (6 10 20)

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

4: (3 16 8)

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