1: (0 1 17)

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

2: (3 17 21)

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

3: (2 20 10)

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

4: (7 18 16)

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