1: (0 2 9)

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

2: (1 20 6)

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

3: (2 12 7)

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

4: (3 10 8)

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