1: (0 7 12)

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

2: (1 17 9)

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

3: (0 21 3)

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

4: (2 20 4)

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