Do you see a fence or a horse in the image?
Yes, there is a horse.
    src        edge_attr  dst
0     0  to the right of   22
1     0  to the right of    6
2     1   to the left of   20
3     1   to the left of    7
4     2  to the right of   10
..  ...              ...  ...
70   22  to the right of    7
71   22  to the right of   19
72   22  to the right of    9
73   22   to the left of   21
74   22  to the right of   20

[75 rows x 3 columns]