Do the door and the pole have a different colors?
No, both the door and the pole are black.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    1
2     0   to the left of   11
3     1   to the left of   11
4     1   to the left of    7
..  ...              ...  ...
57   20   to the left of    3
58   20  to the right of    2
59   21  to the right of    7
60   21  to the right of   11
61   21   to the left of   15

[62 rows x 3 columns]