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