1: (0 1 7)

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

2: (0 19 3)

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

3: (2 9 4)

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

4: (6 18 8)

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