1: (4 7 15)

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

2: (3 9 5)

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

3: (6 10 8)

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

4: (2 14 7)

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