What device isn't reflective?
The device is a screen.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    1
2     1   to the left of    4
3     1  to the right of   10
4     1   to the left of    2
..  ...              ...  ...
69   22  to the right of    5
70   22   to the left of    3
71   22   to the left of    9
72   22  to the right of    6
73   23  to the right of   10

[74 rows x 3 columns]