1: (1 4 7)

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

2: (2 20 5)

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

3: (3 10 6)

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

4: (0 18 7)

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