1: (1 8 16)

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

2: (2 20 10)

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

3: (7 12 9)

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

4: (0 16 6)

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