1: (1 7 10)

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

2: (5 12 9)

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

3: (1 13 11)

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

4: (1 8 6)

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