1: (1 7 9)

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

2: (5 10 8)

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

3: (3 11 9)

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

4: (2 17 4)

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