1: (2 8 12)

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

2: (6 12 10)

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

3: (0 7 5)

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

4: (1 19 3)

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