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