1: (1 4 8)

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

2: (3 10 5)

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

3: (7 17 9)

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

4: (2 11 8)

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