1: (0 5 7)

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

2: (4 9 6)

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

3: (2 10 7)

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

4: (1 21 3)

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