On which side is the fence?
The fence is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of   13
2     3   to the left of    6
3     6  to the right of    3
4     6       grazing on   10
5     6               in    9
6     6               in   10
7     7            above    5
8     8           eating   10
9     8  to the right of   11
10    8  to the right of   12
11   11   to the left of    8
12   11  to the right of    0
13   11  to the right of   13
14   11  to the right of   12
15   11           eating   10
16   12           eating   10
17   12   to the left of    8
18   12  to the right of   13
19   12   to the left of   11
20   13   to the left of    0
21   13   to the left of   11
22   13   to the left of   12
23   13           eating   10