Does that water look blue and wavy?
No, the water is blue but calm.
    src        edge_attr  dst
0     0               in    2
1     1  to the right of   12
2     1  to the right of    4
3     1  to the right of    9
4     1  to the right of   11
5     4   to the left of    1
6     4  to the right of   12
7     4  to the right of   11
8     4             with    7
9     7               on    4
10    7  to the right of   11
11    8  to the right of   11
12    9   to the left of    1
13   11   to the left of    4
14   11   to the left of    7
15   11   to the left of    8
16   11   to the left of    1
17   12               of   11
18   12   to the left of    1
19   12   to the left of    4