1: (0 1 2)

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

2: (1 9 18)

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

3: (8 20 14)

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

4: (7 21 18)

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