1: (0 2 10)

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

2: (5 10 21)

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

3: (3 19 8)

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

4: (7 11 9)

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