Are there any sailboats?
Yes, there is a sailboat.
    src        edge_attr  dst
0     0  to the right of    1
1     0   to the left of    3
2     1   to the left of    0
3     1   to the left of    4
4     1   to the left of   14
5     2   to the left of   14
6     3  to the right of    4
7     3  to the right of    0
8     3  to the right of   14
9     3  to the right of   13
10    4  to the right of    8
11    4   to the left of    3
12    4  to the right of    1
13    4   to the left of   11
14    8   to the left of    4
15    8   to the left of   14
16   11  to the right of   14
17   11  to the right of    4
18   12   to the left of   14
19   13   to the left of    3
20   14  to the right of   12
21   14   to the left of    3
22   14  to the right of    8
23   14  to the right of    1
24   14  to the right of    2
25   14               on   10
26   14   to the left of   11