How thick are the trees that are on the sea shore?
The pine trees are thick.
    src        edge_attr  dst
0     1   to the left of   15
1     3   to the left of   32
2     3   to the left of   18
3     3  to the right of   24
4     4               on   14
5     4  to the right of   18
6     4  to the right of   13
7     5          full of    3
8     7   to the left of   15
9     9   to the left of   15
10   12   to the left of   15
11   13  to the right of   32
12   13   to the left of    4
13   13  to the right of   17
14   13  to the right of   18
15   15  to the right of   29
16   15  to the right of   28
17   15  to the right of   12
18   15  to the right of    9
19   15  to the right of    7
20   15  to the right of   25
21   15  to the right of   19
22   15  to the right of   16
23   15  to the right of    1
24   16   to the left of   15
25   17   to the left of   13
26   17  to the right of   18
27   17  to the right of   32
28   18   to the left of   17
29   18  to the right of   32
30   18   to the left of    4
31   18   to the left of   13
32   18  to the right of    3
33   19   to the left of   15
34   21               of   28
35   24   to the left of   32
36   24   to the left of    3
37   25   to the left of   15
38   28   to the left of   15
39   29   to the left of   15
40   31  to the right of   33
41   32   to the left of   17
42   32   to the left of   18
43   32  to the right of   24
44   32  to the right of    3
45   32   to the left of   13
46   33   to the left of   31