Does the grass look short?
Yes, the grass is short.
    src        edge_attr  dst
0     1  to the right of    4
1     1  to the right of    3
2     1  to the right of   10
3     1  to the right of    9
4     3  to the right of    6
5     3   to the left of    1
6     3  to the right of    7
7     4   to the left of    5
8     4   to the left of    1
9     4  to the right of   13
10    4  to the right of    6
11    5  to the right of    4
12    6   to the left of    3
13    6   to the left of    4
14    6   to the left of    7
15    7   to the left of    3
16    7  to the right of    6
17    7               of    4
18    8   to the left of   12
19    9   to the left of    1
20   10   to the left of    1
21   12  to the right of    8
22   13   to the left of    4
23   13               by   11