Is the fence on the right?
No, the fence is on the left of the image.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of   18
2     1  to the right of    9
3     1  to the right of   10
4     1  to the right of    2
..  ...              ...  ...
85   19   to the left of    8
86   19  to the right of   17
87   19  to the right of   10
88   20  to the right of    2
89   20  to the right of   18

[90 rows x 3 columns]