Is there a white flag or boat?
Yes, there is a white boat.
    src        edge_attr  dst
0     3   to the left of    8
1     4  to the right of    8
2     5  to the right of    8
3     5   to the left of   12
4     5  to the right of   11
5     8   to the left of   11
6     8  to the right of    3
7     8   to the left of    4
8     8   to the left of    5
9     8   to the left of    9
10    9  to the right of   10
11    9  to the right of    8
12    9               in    0
13   10   to the left of    9
14   11   to the left of    5
15   11  to the right of    8
16   12  to the right of    5