Is the mirror on the right?
No, the mirror is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   14
1     1  to the right of   16
2     1  to the right of   19
3     1   to the left of   11
4     1   to the left of    9
..  ...              ...  ...
63   18  to the right of   17
64   19   to the left of    2
65   19   to the left of   11
66   19   to the left of    1
67   19  to the right of   16

[68 rows x 3 columns]