1: (1 4 7)

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

2: (3 9 5)

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

3: (2 12 8)

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

4: (4 11 6)

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