Which side of the image is the cowboy on?
The cowboy is on the left of the image.
   src        edge_attr  dst
0    0   to the left of    1
1    0   to the left of    9
2    0   to the left of    2
3    1  to the right of    0
4    2  to the right of    0
5    2   to the left of    6
6    6  to the right of    2
7    9  to the right of    0