1: (1 8 12)

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

2: (7 14 11)

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

3: (1 15 13)

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

4: (2 10 12)

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