1: (0 1 12)

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

2: (7 12 21)

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

3: (6 17 9)

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

4: (1 20 12)

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