1: (0 1 17)

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

2: (6 17 21)

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

3: (2 19 12)

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

4: (8 18 16)

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