Which place is it?
It is a path.
    src        edge_attr  dst
0     0               on   13
1     0   to the left of   12
2     0   to the left of   10
3     0   to the left of    6
4     0   to the left of    4
..  ...              ...  ...
63   14   to the left of    8
64   15   to the left of   12
65   15  to the right of   13
66   15   to the left of    9
67   15   to the left of    8

[68 rows x 3 columns]