1: (0 5 9)

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

2: (4 19 7)

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

3: (2 21 9)

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

4: (0 6 3)

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