Do you see a hat there that is not blue?
Yes, there is a white hat.
    src        edge_attr  dst
0     0  to the right of   17
1     0  to the right of   13
2     0  to the right of   16
3     0  to the right of    7
4     0  to the right of   12
..  ...              ...  ...
87   17  to the right of   12
88   17   to the left of    1
89   17  to the right of    9
90   17   to the left of    0
91   17               on    5

[92 rows x 3 columns]