What devices are to the right of the mouse?
The devices are speakers.
     src        edge_attr  dst
0      1   to the left of   22
1      1   to the left of    9
2      1   to the left of   31
3      2   to the left of    8
4      3  to the right of    7
..   ...              ...  ...
205   39   to the left of   19
206   39  to the right of   29
207   40   to the left of   24
208   40   to the left of   37
209   40   to the left of   20

[210 rows x 3 columns]