Which side of the picture is the fence on?
The fence is on the right of the image.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    1
2     0   to the left of    6
3     1  to the right of    0
4     1   to the left of    6
..  ...              ...  ...
67   15  to the right of   11
68   15  to the right of   12
69   15  to the right of   14
70   15  to the right of   13
71   15   to the left of    6

[72 rows x 3 columns]