1: (0 2 3)

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

2: (16 18 21)

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

3: (14 19 17)

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

4: (2 20 18)

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