Which side is the fence on, the left or the right?
The fence is on the right of the image.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of   11
2     0   to the left of   13
3     0               of    3
4     0  to the right of   12
..  ...              ...  ...
63   15   to the left of   14
64   16   to the left of   14
65   16   to the left of   13
66   16  to the right of    4
67   16               of    3

[68 rows x 3 columns]