1: (1 6 9)

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

2: (4 10 7)

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

3: (3 18 5)

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

4: (6 12 8)

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