Is there a fence that is large?
No, there is a fence but it is small.
     src        edge_attr  dst
0      0  to the right of    9
1      0  to the right of    1
2      0  to the right of   14
3      0  to the right of   11
4      1   to the left of   13
..   ...              ...  ...
156   28   to the left of   15
157   28  to the right of   11
158   28  to the right of    6
159   28  to the right of   27
160   28   to the left of   21

[161 rows x 3 columns]