What's the gate in front of?
The gate is in front of the airplane.
     src        edge_attr  dst
0      0  to the right of    3
1      0  to the right of    2
2      0  to the right of    9
3      0  to the right of   10
4      0   to the left of   12
..   ...              ...  ...
108   18   to the left of   12
109   18  to the right of   10
110   18  to the right of    9
111   18  to the right of    2
112   18  to the right of    0

[113 rows x 3 columns]