Is the black speaker on the left or on the right side?
The speaker is on the left of the image.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of   10
2     1  to the right of    7
3     2               on   19
4     2  to the right of    3
..  ...              ...  ...
60   19  to the right of    9
61   19  to the right of    6
62   19  to the right of   15
63   20   to the left of    4
64   20  to the right of    3

[65 rows x 3 columns]