Are there cheetahs or hippos?
No, there are no hippos or cheetahs.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    0
2     2   to the left of   13
3     2  to the right of   14
4     3  to the right of   12
5     3           inside    0
6     4           inside    0
7     5   to the left of    6
8     5   to the left of   13
9     5  to the right of   14
10    5   to the left of    7
11    6  to the right of    5
12    7  to the right of    5
13    8           inside    0
14    8  to the right of   12
15   10  to the right of   15
16   10      in front of   13
17   10  to the right of   14
18   12   to the left of    8
19   12   to the left of    3
20   13   growing behind   10
21   13           behind   10
22   13  to the right of    5
23   13  to the right of    2
24   14   to the left of   10
25   14   to the left of    5
26   14   to the left of    2
27   15   to the left of   10