1: (0 1 2)

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

2: (1 17 19)

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

3: (11 20 18)

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

4: (2 21 19)

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