Is the mouse to the right or to the left of the monitor that is on the right?
The mouse is to the left of the monitor.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    6
2     0   to the left of   14
3     0   to the left of    1
4     0   to the left of   10
..  ...              ...  ...
66   15  to the right of   13
67   15  to the right of   11
68   15  to the right of    7
69   15  to the right of   10
70   15  to the right of    8

[71 rows x 3 columns]