1: (7 9 18)

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

2: (5 10 8)

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

3: (9 20 12)

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

4: (11 19 17)

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