1: (1 6 9)

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

2: (4 20 7)

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

3: (5 10 8)

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

4: (3 11 9)

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