1: (0 5 9)

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

2: (7 9 20)

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

3: (6 10 8)

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

4: (5 15 9)

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