1: (1 2 7)

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

2: (1 20 3)

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

3: (0 8 5)

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

4: (2 20 4)

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