On which side of the image is the mirror?
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   10
2      0   to the left of   14
3      0   to the left of   12
4      0   to the left of    7
..   ...              ...  ...
126   22  to the right of   12
127   23  to the right of    9
128   23  to the right of    6
129   23   to the left of   13
130   23  to the right of   11

[131 rows x 3 columns]