1: (2 10 16)

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

2: (7 17 15)

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

3: (2 10 16)

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

4: (5 11 8)

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