Which color is the pipe?
The pipe is white.
    src        edge_attr  dst
0     0   to the left of   15
1     0  to the right of   16
2     0   to the left of    4
3     0   to the left of    2
4     0   to the left of    1
..  ...              ...  ...
77   17   to the left of    1
78   17  to the right of   16
79   17   to the left of   12
80   17   to the left of    3
81   17   to the left of    4

[82 rows x 3 columns]