Does this bus have white color?
Yes, the bus is white.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of   15
2     0  to the right of    2
3     0   to the left of   10
4     1   to the left of   15
..  ...              ...  ...
57   17  to the right of   11
58   17   to the left of    4
59   17   on the side of   14
60   17  to the right of    9
61   17  to the right of    8

[62 rows x 3 columns]