1: (2 5 20)

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

2: (1 13 3)

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

3: (2 5 20)

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

4: (0 18 4)

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