1: (0 1 3)

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

2: (3 13 20)

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

3: (12 21 15)

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

4: (1 20 10)

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