1: (2 6 11)

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

2: (1 9 3)

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

3: (0 7 5)

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

4: (6 20 8)

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