1: (0 1 5)

(0)(1 12 10 8 5 20 3)(2 7 4)(6 11 9)(13 21 19 16 14)(15 18 17)

2: (3 5 20)

(0)(1 12 10 8 5)(2 7 4)(3)(6 11 9)(13 21 19 16 14)(15 18 17)(20)

3: (2 7 4)

(0)(1 12 10 8 5)(2)(3)(4)(6 11 9)(7)(13 21 19 16 14)(15 18 17)(20)

4: (1 12 5)

(0)(1)(2)(3)(4)(5 10 8)(6 11 9)(7)(12)(13 21 19 16 14)(15 18 17)(20)