Are there eagles or sharks?
Yes, there is a shark.
    src        edge_attr  dst
0     0  to the right of    4
1     1  to the right of    4
2     2   to the left of   12
3     2  to the right of    9
4     4   to the left of    1
5     4   to the left of    0
6     4   to the left of    6
7     4   to the left of    5
8     5   to the left of   13
9     5   to the left of   14
10    5  to the right of   16
11    5             with    0
12    5  to the right of    4
13    5  to the right of    7
14    5   to the left of   12
15    5   to the left of    8
16    6  to the right of    4
17    6   to the left of   13
18    6   to the left of   14
19    7   to the left of    5
20    7   to the left of   10
21    7   to the left of    9
22    8  to the right of    5
23    8  to the right of   10
24    9  to the right of    7
25    9   to the left of    2
26    9  to the right of   16
27   10   to the left of    8
28   10   to the left of   12
29   10  to the right of    7
30   10   to the left of   13
31   10  to the right of   16
32   12  to the right of   10
33   12  to the right of    2
34   12  to the right of    5
35   13  to the right of    5
36   13  to the right of    6
37   13  to the right of   10
38   14               on   13
39   14  to the right of    5
40   14  to the right of    6
41   16   to the left of    5
42   16   to the left of   10
43   16   to the left of    9