On which side of the picture is the mirror?
The mirror is on the left of the image.
     src        edge_attr  dst
0      0   to the left of   20
1      1  to the right of   36
2      1   to the left of   34
3      1   to the left of   32
4      1   to the left of   18
..   ...              ...  ...
99    44   to the left of    7
100   44   to the left of   43
101   45  to the right of   16
102   46  to the right of   39
103   46   to the left of   22

[104 rows x 3 columns]