Which place is it?
It is a field.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of   22
2     1   to the left of   23
3     1   to the left of   22
4     1               on    8
..  ...              ...  ...
71   23  to the right of    1
72   23   to the left of    4
73   23   to the left of    5
74   23   to the left of   18
75   23   to the left of   15

[76 rows x 3 columns]