Is the blue boat on the left?
Yes, the boat is on the left of the image.
    src        edge_attr  dst
0     2  to the right of    8
1     4        flying in    6
2     4      flying over   11
3     4               in    3
4     5        flying in    6
5     5   to the left of   12
6     7   to the left of    9
7     8   to the left of   11
8     8   to the left of    2
9     8   to the left of    9
10    9  to the right of    8
11    9  to the right of    7
12    9  to the right of   10
13   10   to the left of    9
14   11  to the right of    8
15   12  to the right of    5