1: (4 6 12)

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

2: (3 8 5)

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

3: (2 10 6)

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

4: (7 11 9)

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