1: (0 5 9)

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

2: (3 14 6)

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

3: (1 20 4)

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

4: (0 21 2)

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