1: (7 9 12)

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

2: (8 20 10)

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

3: (7 9 12)

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

4: (6 14 11)

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