1: (3 8 10)

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

2: (7 11 9)

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

3: (5 12 10)

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

4: (2 6 4)

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