1: (4 9 11)

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

2: (3 10 5)

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

3: (7 12 9)

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

4: (0 8 6)

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