What is holding the water?
The sea is holding the water.
    src        edge_attr  dst
0     0   to the left of   10
1     0       sitting on    5
2     0   to the left of   16
3     1  to the right of   14
4     1  to the right of    4
5     2  to the right of   14
6     3   to the left of    5
7     3   to the left of   14
8     4   to the left of    1
9     5  to the right of   13
10    5  to the right of    3
11    6               of    5
12    6   to the left of   14
13    7   to the left of   16
14    7   to the left of   10
15    7          holding    9
16   10  to the right of    7
17   10  to the right of   14
18   10  to the right of    0
19   12   to the left of   14
20   12      standing in    7
21   13   to the left of    5
22   13   to the left of   14
23   14   to the left of   10
24   14   to the left of   16
25   14  to the right of   13
26   14  to the right of   12
27   14   to the left of    2
28   14   to the left of    1
29   14  to the right of    6
30   14  to the right of    3
31   14   to the left of   15
32   15      standing in    9
33   15       walking in    7
34   15  to the right of   14
35   16  to the right of   14
36   16  to the right of    0
37   16  to the right of    7