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