Is there a cow to the left of the fence?
No, the cow is to the right of the fence.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    5
2     0  to the right of    3
3     0  to the right of    9
4     0  to the right of    8
5     1   to the left of    5
6     3  to the right of    8
7     3   to the left of    0
8     3  to the right of    9
9     4   to the left of   11
10    4  to the right of    8
11    4   to the left of    5
12    5               in    2
13    5  to the right of    1
14    5  to the right of    0
15    5  to the right of    4
16    8   to the left of    0
17    8   to the left of    4
18    8   to the left of    3
19    9   to the left of    3
20    9   to the left of    0
21   10   to the left of   11
22   10   to the left of   12
23   11  to the right of    0
24   11  to the right of    4
25   11  to the right of   10
26   11   to the left of   13
27   12  to the right of   10
28   13  to the right of   11
29   14   to the left of   15
30   15  to the right of   14