Which place is it?
It is a field.
    src        edge_attr  dst
0     0   to the left of    1
1     0  to the right of   12
2     0   to the left of    5
3     1  to the right of    2
4     1  to the right of   12
..  ...              ...  ...
56   14   to the left of    3
57   14   to the left of    1
58   14  to the right of   12
59   14  to the right of    7
60   14   to the left of    9

[61 rows x 3 columns]