On which side of the image is the mirror?
The mirror is on the right of the image.
    src        edge_attr  dst
0     0   to the left of   21
1     2  to the right of   16
2     2   to the left of   15
3     2   to the left of   23
4     2   to the left of   22
..  ...              ...  ...
95   24  to the right of   19
96   24   to the left of   23
97   24   to the left of   22
98   24  to the right of   16
99   24  to the right of    3

[100 rows x 3 columns]