Which place is it?
It is a terminal.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of    2
2     0  to the right of   23
3     0  to the right of   20
4     2   to the left of    0
..  ...              ...  ...
73   24  to the right of   12
74   24  to the right of   13
75   26               on   17
76   26  to the right of   13
77   26  to the right of   12

[78 rows x 3 columns]