1: (1 6 18)

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

2: (0 13 3)

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

3: (2 7 5)

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

4: (6 20 8)

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