Which place is it?
It is a lake.
     src        edge_attr  dst
0      0   to the left of   23
1      0  to the right of   19
2      0   to the left of   10
3      0   to the left of    6
4      0   to the left of   18
..   ...              ...  ...
99    25   to the left of    2
100   25   to the left of    6
101   26   to the left of    1
102   26   to the left of   25
103   27  to the right of   19

[104 rows x 3 columns]