On which side of the image is the mirror?
The mirror is on the right of the image.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of   12
2     0  to the right of    8
3     1  to the right of   11
4     1   to the left of    8
5     3  to the right of    9
6     4  to the right of   11
7     4   to the left of    8
8     5  to the right of    8
9     5  to the right of    6
10    6               on    8
11    6   to the left of    0
12    6               on    2
13    6   to the left of    5
14    7   to the left of    8
15    7  to the right of   11
16    8  to the right of    4
17    8  to the right of    1
18    8  to the right of    7
19    8   to the left of    5
20    8   to the left of    0
21    9   to the left of    3
22   11   to the left of    7
23   11   to the left of    1
24   11   to the left of    4
25   12  to the right of   13
26   12               on   10
27   12   to the left of    0
28   13               on   10
29   13   to the left of   12