Is it the parking lot or maybe the garage?
It is the garage.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of   13
2     0   to the left of    9
3     0  to the right of    3
4     0  to the right of   16
..  ...              ...  ...
74   16  to the right of   15
75   16  to the right of    3
76   16   to the left of    0
77   16   to the left of   14
78   16   to the left of    8

[79 rows x 3 columns]