On which side are the farmers?
The farmers are on the right of the image.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of   13
2     0  to the right of    4
3     0   to the left of   16
4     2   to the left of   13
5     2   to the left of   16
6     2   to the left of   12
7     2   to the left of    3
8     3  to the right of    2
9     4   to the left of   14
10    4   to the left of    0
11    4   to the left of   12
12    6   to the left of   16
13    6   to the left of   13
14    8  to the right of   17
15    9   to the left of   17
16    9   to the left of   18
17   10               on   16
18   12   to the left of   16
19   12  to the right of    4
20   12   to the left of   13
21   12  to the right of    0
22   12  to the right of    2
23   13  to the right of    2
24   13  to the right of   12
25   13  to the right of    6
26   13  to the right of   14
27   13  to the right of   15
28   13  to the right of    0
29   14   to the left of   16
30   14   to the left of   13
31   14  to the right of    4
32   15   to the left of   13
33   16  to the right of    0
34   16  to the right of    2
35   16  to the right of    6
36   16  to the right of   12
37   16  to the right of   14
38   17  to the right of    9
39   17   to the left of    8
40   18  to the right of    9