1: (0 1 10)

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

2: (8 10 20)

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

3: (7 11 9)

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

4: (5 17 10)

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