Is the grass green and short?
Yes, the grass is green and short.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   17
2     1               on    3
3     1            above    3
4     2  to the right of   19
5     2  to the right of   14
6     3            under    1
7     7   to the left of    0
8     8  to the right of   18
9     9  to the right of   14
10   10  to the right of   14
11   11  to the right of   18
12   12               on    3
13   14   to the left of    2
14   14               on   16
15   14   to the left of   10
16   14   to the left of    9
17   14   to the left of   19
18   15               on    3
19   17   to the left of    0
20   18               on   15
21   18   to the left of    8
22   18   to the left of   11
23   19  to the right of   14
24   19   to the left of    2