Which color do you think the door is?
The door is blue.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of   11
2     0   to the left of    7
3     0   to the left of    3
4     0   to the left of   17
..  ...              ...  ...
86   17  to the right of    1
87   17  to the right of   12
88   18  to the right of   16
89   18  to the right of    2
90   18  to the right of   11

[91 rows x 3 columns]