1: (0 8 13)

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

2: (7 21 10)

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

3: (9 20 12)

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

4: (11 13 15)

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