1: (0 1 17)

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

2: (6 17 21)

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

3: (2 18 14)

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

4: (1 20 17)

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