1: (0 1 5)

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

2: (1 13 17)

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

3: (12 18 16)

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

4: (5 19 17)

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