1: (0 4 9)

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

2: (1 12 6)

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

3: (3 21 5)

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

4: (2 4 20)

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