1: (0 2 18)

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

2: (1 21 3)

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

3: (2 20 14)

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

4: (13 19 17)

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