1: (1 4 20)

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

2: (0 5 3)

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

3: (1 13 17)

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

4: (12 18 16)

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