1: (1 7 10)

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

2: (6 12 9)

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

3: (4 15 10)

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

4: (1 8 5)

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