1: (0 1 2)

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

2: (1 9 12)

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

3: (8 13 10)

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

4: (7 20 12)

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