On which side is the black device?
The TV is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   18
1     0  to the right of   14
2     0   to the left of   11
3     0   to the left of    1
4     0  to the right of   13
..  ...              ...  ...
79   20   to the left of   11
80   20  to the right of   15
81   20   to the left of    6
82   21   to the left of    5
83   21   to the left of   15

[84 rows x 3 columns]