1: (6 15 20)

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

2: (0 18 9)

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

3: (5 13 7)

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

4: (2 6 17)

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