1: (2 8 12)

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

2: (6 14 9)

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

3: (0 7 5)

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

4: (11 20 12)

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