1: (4 6 12)

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

2: (3 7 5)

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

3: (2 10 6)

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

4: (8 16 11)

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