1: (4 7 18)

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

2: (6 19 17)

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

3: (3 8 5)

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

4: (2 12 7)

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