What animal is that?
That is a cow.
    src        edge_attr  dst
0     1               by   12
1     1               by    0
2     1               by   11
3     1   to the left of    8
4     1   to the left of    5
5     1   to the left of    9
6     1   to the left of    2
7     2  to the right of    1
8     3   to the left of   12
9     3   to the left of    7
10    4   to the left of    9
11    5  to the right of    1
12    6               of    1
13    6   to the left of   12
14    7               of   12
15    7  to the right of   11
16    7  to the right of    3
17    8  to the right of    1
18    9               by    0
19    9  to the right of    1
20    9  to the right of    4
21   11   to the left of    7
22   11   to the left of   12
23   12               on    0
24   12               by    0
25   12               by    1
26   12  to the right of   11
27   12  to the right of    6
28   12  to the right of    3