Is this a zoo or a beach?
It is a beach.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    8
2     0  to the right of   10
3     0   to the left of    2
4     0  to the right of    5
5     1   to the left of    9
6     2  to the right of    0
7     2  to the right of   13
8     2   to the left of   11
9     5   to the left of    0
10    5   to the left of   10
11    6               by   14
12    8  to the right of   13
13    8  to the right of    0
14    9  to the right of    1
15    9               in    4
16   10   to the left of    0
17   10   to the left of   11
18   10  to the right of    5
19   11  to the right of   13
20   11               on   12
21   11  to the right of    2
22   11  to the right of    0
23   11  to the right of   10
24   13             near   14
25   13   to the left of   11
26   13   to the left of    8
27   13   to the left of    2
28   13               on    6
29   13             with    0
30   14             near   13