1: (1 8 18)

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

2: (6 20 17)

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

3: (5 9 7)

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

4: (8 19 10)

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