1: (6 9 15)

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

2: (2 10 8)

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

3: (5 20 7)

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

4: (9 16 11)

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