1: (0 10 19)

(0)(1 10 21 19 3)(2 16 4)(5 22 7)(6 11 8)(9 20 18 14 12)(13 17 15)

2: (9 20 18)

(0)(1 10 21 19 3)(2 16 4)(5 22 7)(6 11 8)(9 14 12)(13 17 15)(18)(20)

3: (3 21 19)

(0)(1 10 21)(2 16 4)(3)(5 22 7)(6 11 8)(9 14 12)(13 17 15)(18)(19)(20)

4: (2 16 4)

(0)(1 10 21)(2)(3)(4)(5 22 7)(6 11 8)(9 14 12)(13 17 15)(16)(18)(19)(20)