1: (0 1 2)

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

2: (1 11 19)

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

3: (9 20 16)

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

4: (7 21 19)

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