Which side is the mirror on?
The mirror is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    6
2     0  to the right of    3
3     1  to the right of   12
4     1  to the right of    2
..  ...              ...  ...
87   23  to the right of   12
88   23  to the right of    2
89   23  to the right of   16
90   23  to the right of   13
91   24  to the right of    2

[92 rows x 3 columns]