What animal crosses the blue water?
The bear crosses the water.
    src        edge_attr  dst
0     0   to the left of    9
1     1  to the right of   16
2     1  to the right of    3
3     2   to the left of    7
4     3   to the left of    7
5     3   to the left of    8
6     3   to the left of   13
7     3   to the left of    5
8     3   to the left of    1
9     4               in    6
10    4         crossing    6
11    5               in    6
12    5  to the right of    3
13    5         crossing    6
14    5  to the right of   16
15    7  to the right of    3
16    7  to the right of    9
17    7  to the right of    2
18    8  to the right of    3
19    8  to the right of   16
20    9  to the right of    0
21    9   to the left of    7
22   11  to the right of   14
23   13  to the right of    3
24   13  to the right of   16
25   14   to the left of   11
26   16   to the left of    5
27   16   to the left of    1
28   16   to the left of    8
29   16   to the left of   13
30   16   to the left of   17
31   17  to the right of   16