1: (0 1 6)

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

2: (1 7 18)

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

3: (2 21 14)

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

4: (13 19 17)

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