1: (1 7 11)

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

2: (2 20 10)

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

3: (1 9 4)

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

4: (3 8 6)

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