1: (0 7 18)

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

2: (5 20 17)

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

3: (2 7 19)

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

4: (1 16 3)

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