Does the device that looks blue seem to be on or off?
The screen is on.
    src        edge_attr  dst
0     0   to the left of   21
1     0  to the right of   20
2     0  to the right of    3
3     0   to the left of    2
4     1   to the left of   21
..  ...              ...  ...
80   21  to the right of    3
81   21  to the right of   12
82   21  to the right of    1
83   21  to the right of    0
84   21  to the right of   20

[85 rows x 3 columns]