What is on the brick building?
The flag is on the building.
    src        edge_attr  dst
0     0   to the left of   10
1     0  to the right of   14
2     0   to the left of    2
3     0   to the left of   17
4     0   to the left of    3
..  ...              ...  ...
80   17   to the left of   10
81   17   to the left of   13
82   18  to the right of    9
83   18  to the right of    4
84   18   to the left of   11

[85 rows x 3 columns]