What's the sign on?
The sign is on the roof.
     src        edge_attr  dst
0      0  to the right of   25
1      1               on   27
2      1   to the left of   14
3      1   to the left of   15
4      1  to the right of   16
..   ...              ...  ...
108   27   to the left of    4
109   27   to the left of    8
110   27   to the left of   14
111   27   to the left of    7
112   27   to the left of   15

[113 rows x 3 columns]