On which side of the picture is the fence?
The fence is on the left of the image.
    src        edge_attr  dst
0     0   to the left of    7
1     1  to the right of    4
2     1   to the left of   15
3     3   to the left of    8
4     3   to the left of    4
..  ...              ...  ...
57   16  to the right of   17
58   17  to the right of    3
59   17   to the left of    4
60   17   to the left of    8
61   17   to the left of   16

[62 rows x 3 columns]