1: (0 10 17)

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

2: (9 19 16)

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

3: (2 21 18)

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

4: (7 20 17)

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