1: (7 12 20)

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

2: (1 13 11)

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

3: (7 12 20)

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

4: (6 18 8)

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