Which animal is this, a giraffe or a hippo?
This is a giraffe.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of   13
2     1               on    5
3     1   to the left of    3
4     1   to the left of    7
5     1   to the left of   10
6     1   to the left of    4
7     2  to the right of   13
8     3  to the right of    1
9     4   to the left of    9
10    4  to the right of    1
11    4   to the left of    6
12    4   to the left of   10
13    6  to the right of   10
14    6  to the right of    4
15    6   to the left of    9
16    7  to the right of   13
17    7   to the left of    9
18    7  to the right of    1
19    8  to the right of   13
20    9  to the right of    6
21    9  to the right of    4
22    9  to the right of   10
23    9  to the right of    7
24   10   to the left of    6
25   10  to the right of    4
26   10  to the right of    1
27   10   to the left of    9
28   11  to the right of   13
29   12  to the right of   13
30   12   to the left of    0
31   13   to the left of   11
32   13   to the left of    7
33   13   to the left of    8
34   13   to the left of   12
35   13   to the left of    2
36   13   to the left of    0