1: (2 9 12)

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

2: (8 13 11)

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

3: (3 14 12)

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

4: (0 10 7)

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