1: (0 11 18)

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

2: (9 19 17)

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

3: (7 20 18)

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

4: (6 10 8)

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