1: (2 9 12)

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

2: (0 10 8)

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

3: (1 20 3)

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

4: (6 11 9)

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