On which side of the image is the monitor, the left or the right?
The monitor is on the left of the image.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of   18
2     0   to the left of   14
3     0   to the left of   21
4     0  to the right of    3
..  ...              ...  ...
67   21  to the right of    1
68   21  to the right of    0
69   22  to the right of   12
70   22   to the left of   21
71   22               on   10

[72 rows x 3 columns]