What color is that oak?
The oak is brown.
    src        edge_attr  dst
0     0   to the left of   18
1     0  to the right of   10
2     0  to the right of    4
3     0  to the right of   17
4     0   to the left of   15
..  ...              ...  ...
82   18  to the right of   10
83   18  to the right of    4
84   18  to the right of   17
85   18   to the left of   15
86   22   to the left of    2

[87 rows x 3 columns]