1: (0 1 2)

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

2: (1 10 17)

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

3: (9 20 11)

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

4: (7 21 17)

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