1: (0 9 16)

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

2: (7 17 15)

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

3: (5 12 8)

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

4: (7 20 16)

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