On which side is the fence?
The fence is on the right of the image.
    src        edge_attr  dst
0     0  to the right of    1
1     1               on    2
2     1   to the left of    0
3     1   to the left of   13
4     1  to the right of   15
..  ...              ...  ...
56   14  to the right of    7
57   14  to the right of    2
58   14  to the right of    3
59   14  to the right of    6
60   15   to the left of    1

[61 rows x 3 columns]