Where do you think is the gate?
The gate is in the grass.
     src        edge_attr  dst
0      0   to the left of   11
1      0   to the left of    7
2      1   to the left of    2
3      1   to the left of   10
4      1   to the left of   11
..   ...              ...  ...
98    25   to the left of    2
99    25  to the right of   14
100   25   to the left of    7
101   25   to the left of   10
102   26   to the left of   18

[103 rows x 3 columns]