1: (1 5 8)

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

2: (4 13 6)

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

3: (7 15 9)

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

4: (3 10 8)

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