1: (9 16 18)

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

2: (4 17 18)

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

3: (2 10 8)

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

4: (0 5 3)

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