Where is the grass?
The grass is on the pasture.
    src        edge_attr  dst
0     0   to the left of    5
1     1  to the right of    9
2     1  to the right of    7
3     2   to the left of   10
4     2               of    6
5     5  to the right of    0
6     6           beside    9
7     6               on    8
8     7               of    1
9     7   to the left of    1
10    8               of    9
11    9               on    8
12    9   to the left of    1
13    9               in    8
14   10  to the right of    2