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