On which side of the image is the mirror?
The mirror is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    2
1     2   to the left of    1
2     3  to the right of    7
3     3  to the right of    6
4     4               of    6
5     6   to the left of    3
6     6  to the right of    8
7     7   to the left of    3
8     8               on    2
9     8   to the left of    9
10    8   to the left of    6
11    9  to the right of    8
12    9       sitting on    6