1: (2 9 11)

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

2: (7 12 10)

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

3: (5 13 11)

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

4: (1 6 3)

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