Is the fence in the top part of the picture?
No, the fence is in the bottom of the image.
   src        edge_attr  dst
0    3   to the left of    9
1    6   to the left of    8
2    8  to the right of    6
3    9  to the right of    3
4   10   to the left of   11
5   11  to the right of   10