1: (1 3 8)

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

2: (2 10 5)

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

3: (1 3 8)

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

4: (7 20 9)

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