Is the fence in front of a zebra?
No, the fence is in front of the cow.
     src        edge_attr  dst
0      0  to the right of   12
1      0  to the right of   19
2      0  to the right of   14
3      0  to the right of   13
4      0  to the right of    2
..   ...              ...  ...
111   21  to the right of    5
112   21   to the left of    9
113   21  to the right of    4
114   22   to the left of    4
115   22   to the left of    5

[116 rows x 3 columns]