1: (0 1 12)

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

2: (12 18 21)

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

3: (9 20 17)

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

4: (8 13 10)

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