Do you see an ostrich that is brown?
Yes, there is a brown ostrich.
    src        edge_attr  dst
0     0   to the left of    1
1     0  to the right of   15
2     0  to the right of    5
3     0  to the right of    3
4     0  to the right of   12
..  ...              ...  ...
64   15   to the left of   12
65   15  to the right of   14
66   17   to the left of   14
67   17   to the left of   12
68   17   to the left of   15

[69 rows x 3 columns]