On which side is the mirror?
The mirror is on the right of the image.
     src        edge_attr  dst
0      0   to the left of   38
1      0   to the left of   37
2      0  to the right of   30
3      0   to the left of   36
4      0   to the left of   32
..   ...              ...  ...
183   38   to the left of   22
184   38  to the right of   24
185   38  to the right of   32
186   38   to the left of   33
187   38   to the left of   35

[188 rows x 3 columns]