1: (0 1 17)

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

2: (9 17 21)

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

3: (3 18 12)

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

4: (1 19 17)

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