1: (5 7 9)

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

2: (1 8 9)

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

3: (4 20 6)

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

4: (0 18 2)

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