1: (1 6 20)

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

2: (5 6 7)

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

3: (0 19 3)

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

4: (1 18 6)

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