16
3/5 4/5
-3/5 -4/5
5/13 -12/13
-5/13 12/13
15/17 8/17
-15/17 -8/17
7/25 -24/25
-7/25 24/25
21/29 20/29
-21/29 -20/29
9/41 -40/41
-9/41 40/41
35/37 12/37
-35/37 -12/37
11/61 -60/61
-11/61 60/61
