Do you see an airplane in this image that is not blue?
No, there is an airplane but it is blue.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of   12
2     0  to the right of   14
3     0  to the right of    6
4     0  to the right of   10
..  ...              ...  ...
85   14  to the right of   12
86   15   to the left of    1
87   16   to the left of    5
88   16  to the right of    9
89   16   to the left of   12

[90 rows x 3 columns]