1: (1 4 8)

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

2: (3 18 5)

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

3: (1 4 8)

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

4: (2 20 9)

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