1: (0 1 12)

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

2: (7 12 21)

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

3: (6 15 8)

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

4: (1 20 12)

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