1: (0 1 3)

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

2: (1 16 18)

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

3: (14 19 17)

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

4: (8 20 18)

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