On which side is the mirror?
The mirror is on the left of the image.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of   15
2     0   to the left of    4
3     3  to the right of    5
4     3  to the right of   14
5     3   to the left of   15
6     4  to the right of   11
7     4   to the left of   10
8     4   to the left of    8
9     4   to the left of    7
10    4  to the right of    0
11    5   to the left of   12
12    5  to the right of   14
13    5   to the left of    3
14    6  to the right of    0
15    6  to the right of   11
16    7  to the right of    4
17    8  to the right of    4
18    9   to the left of   15
19   10  to the right of    4
20   11   to the left of    6
21   11   to the left of    4
22   11   to the left of   15
23   12  to the right of    5
24   12  to the right of   14
25   14   to the left of   12
26   14   to the left of    3
27   14   to the left of    5
28   15  to the right of    0
29   15  to the right of    9
30   15  to the right of   11
31   15  to the right of    3