Where is the tree?
The tree is in the skatepark.
    src        edge_attr  dst
0     0   to the left of   22
1     0   to the left of   19
2     0  to the right of    7
3     0  to the right of    6
4     0   to the left of   18
..  ...              ...  ...
64   22  to the right of    0
65   23   to the left of   21
66   23   to the left of   10
67   23  to the right of    3
68   23   to the left of    7

[69 rows x 3 columns]