1: (1 7 12)

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

2: (6 19 9)

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

3: (8 13 10)

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

4: (5 9 12)

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