1: (1 6 8)

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

2: (5 9 7)

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

3: (3 10 8)

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

4: (2 17 4)

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