Is the fence on the right of the picture?
No, the fence is on the left of the image.
   src        edge_attr  dst
0    0   to the left of    3
1    0   to the left of    1
2    1  to the right of    4
3    1  to the right of    0
4    3       sitting on    1
5    3  to the right of    0
6    3  to the right of    4
7    4   to the left of    1
8    4   to the left of    3