Is the mirror on the right or on the left side?
The mirror is on the right of the image.
    src        edge_attr  dst
0     0   to the left of    4
1     1               of    0
2     1   to the left of    4
3     1  to the right of    8
4     1  to the right of    6
5     3   to the left of    4
6     4  to the right of    0
7     4  to the right of    3
8     4  to the right of    1
9     4  to the right of    7
10    4  to the right of    6
11    6   to the left of    4
12    6   to the left of    1
13    7   to the left of    4
14    8   to the left of    1