Are there any white boats or flags?
Yes, there is a white boat.
    src        edge_attr  dst
0     0   to the left of   14
1     1  to the right of    7
2     1           inside    6
3     1  to the right of   13
4     2           inside    0
5     2   to the left of   14
6     2  to the right of   10
7     3  to the right of   10
8     6  to the right of    7
9     6  to the right of   13
10    7   to the left of    6
11    7  to the right of   10
12    7   to the left of   11
13    7   to the left of    1
14   10   to the left of    2
15   10   to the left of    7
16   10   to the left of    3
17   11        on top of    5
18   11  to the right of    7
19   13   to the left of    6
20   13   to the left of    1
21   14  to the right of    2
22   14  to the right of    0