1: (0 5 11)

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

2: (1 20 8)

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

3: (0 5 11)

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

4: (7 12 9)

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