1: (4 7 18)

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

2: (6 20 8)

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

3: (3 9 5)

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

4: (2 17 7)

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