1: (1 7 9)

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

2: (5 10 8)

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

3: (4 12 6)

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

4: (3 11 9)

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