1: (4 9 12)

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

2: (8 13 10)

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

3: (2 12 7)

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

4: (0 5 3)

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