Which side of the picture is the olive on?
The olive is on the right of the image.
   src        edge_attr  dst
0    2   to the left of    4
1    4  to the right of    2
2    4  to the right of    8
3    6   to the left of    9
4    8   to the left of    9
5    8   to the left of    4
6    9  to the right of    6
7    9  to the right of    8