1: (2 10 18)

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

2: (8 20 12)

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

3: (0 18 5)

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

4: (1 6 3)

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