Which place is it?
It is a display.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    1
2     0  to the right of    6
3     1  to the right of   12
4     1  to the right of   10
..  ...              ...  ...
95   24   to the left of    3
96   24  to the right of   13
97   25   to the left of    4
98   25   to the left of    8
99   25   to the left of   18

[100 rows x 3 columns]