1: (1 8 10)

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

2: (7 12 9)

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

3: (6 14 11)

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

4: (1 15 13)

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