1: (2 7 9)

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

2: (6 20 8)

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

3: (2 7 9)

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

4: (1 16 3)

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