1: (1 7 9)

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

2: (6 10 8)

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

3: (3 11 9)

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

4: (2 16 5)

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