1: (1 7 10)

(0 20 2)(1 19 17 10 3)(4 16 14 12 8)(5 21 6)(7)(9 13 11)(15 22 18)

2: (4 12 8)

(0 20 2)(1 19 17 10 3)(4)(5 21 6)(7)(8)(9 13 11)(12 16 14)(15 22 18)

3: (9 13 11)

(0 20 2)(1 19 17 10 3)(4)(5 21 6)(7)(8)(9)(11)(12 16 14)(13)(15 22 18)

4: (3 17 10)

(0 20 2)(1 19 17)(3)(4)(5 21 6)(7)(8)(9)(10)(11)(12 16 14)(13)(15 22 18)