1: (2 8 12)

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

2: (7 15 9)

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

3: (6 13 11)

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

4: (5 14 12)

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