1: (1 4 16)

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

2: (2 20 12)

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

3: (3 18 5)

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

4: (0 16 8)

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