1: (0 6 15)

(0)(1 20 19 16 8)(2 6 18 15 4)(3 22 21)(5 10 7)(9 13 11)(12 17 14)

2: (1 20 8)

(0)(1)(2 6 18 15 4)(3 22 21)(5 10 7)(8 19 16)(9 13 11)(12 17 14)(20)

3: (5 10 7)

(0)(1)(2 6 18 15 4)(3 22 21)(5)(7)(8 19 16)(9 13 11)(10)(12 17 14)(20)

4: (2 6 18)

(0)(1)(2 15 4)(3 22 21)(5)(6)(7)(8 19 16)(9 13 11)(10)(12 17 14)(18)(20)