1: (3 9 18)

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

2: (0 16 6)

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

3: (1 7 5)

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

4: (2 20 3)

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