What is the device that is to the right of the screen on the left?
The device is a monitor.
    src        edge_attr  dst
0     0  to the right of   20
1     0  to the right of    9
2     1   to the left of   21
3     1   to the left of    5
4     2   to the left of    5
..  ...              ...  ...
95   25   to the left of   26
96   26  to the right of   25
97   26   to the left of   18
98   26   to the left of   14
99   26  to the right of    3

[100 rows x 3 columns]