1: (1 9 12)

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

2: (8 15 10)

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

3: (0 12 7)

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

4: (2 20 13)

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