Which place is it?
It is a hospital.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of   11
2     1             with   18
3     1   to the left of    6
4     1  to the right of   16
..  ...              ...  ...
62   17  to the right of    3
63   17  to the right of    7
64   17  to the right of    8
65   18   to the left of   12
66   18   to the left of    6

[67 rows x 3 columns]