1: (0 6 9)

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

2: (4 10 7)

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

3: (3 21 5)

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

4: (6 12 8)

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