1: (2 7 16)

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

2: (0 12 3)

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

3: (2 9 5)

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

4: (6 10 8)

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