1: (1 7 9)

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

2: (6 10 8)

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

3: (5 11 9)

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

4: (0 10 4)

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