1: (0 2 3)

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

2: (2 5 17)

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

3: (1 20 10)

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

4: (9 18 16)

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