1: (0 1 2)

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

2: (1 11 18)

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

3: (10 20 17)

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

4: (7 21 18)

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