1: (9 13 15)

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

2: (3 6 13)

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

3: (1 7 5)

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

4: (6 15 8)

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