1: (2 8 15)

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

2: (0 9 7)

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

3: (1 20 3)

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

4: (6 10 8)

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