1: (3 8 18)

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

2: (5 20 12)

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

3: (1 19 17)

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

4: (3 16 6)

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