1: (7 9 12)

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

2: (8 20 10)

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

3: (7 9 12)

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

4: (5 14 11)

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