1: (1 7 9)

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

2: (5 10 8)

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

3: (3 12 6)

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

4: (2 11 9)

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