1: (1 6 13)

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

2: (5 20 7)

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

3: (1 6 13)

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

4: (0 18 3)

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