On which side of the picture is the soccer ball?
The soccer ball is on the left of the image.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    1
2     0   to the left of    8
3     0   to the left of    6
4     1  to the right of    5
5     1  to the right of    0
6     4  to the right of    7
7     4  to the right of    0
8     4   to the left of    8
9     5   to the left of    8
10    5   to the left of    1
11    6  to the right of    0
12    7   to the left of    4
13    8  to the right of    4
14    8  to the right of    0
15    8  to the right of    5