1: (0 8 9)

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

2: (9 12 18)

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

3: (11 20 13)

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

4: (8 18 10)

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