1: (0 1 8)

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

2: (1 9 18)

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

3: (6 19 17)

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

4: (8 20 10)

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