On which side of the picture is the mirror?
The mirror is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    3
1     1  to the right of    2
2     1  to the right of   11
3     2   to the left of    1
4     2   to the left of    3
..  ...              ...  ...
69   20   to the left of   16
70   20  to the right of    2
71   20  to the right of   17
72   21  to the right of    8
73   21  to the right of   11

[74 rows x 3 columns]