What is on the stone?
The weeds are on the stone.
    src        edge_attr  dst
0     0             near    9
1     0   to the left of    4
2     0   to the left of   14
3     0             near    1
4     0   to the left of   16
5     1             near   14
6     1             near    0
7     1             near    4
8     2   to the left of    3
9     2   to the left of   14
10    2   to the left of    4
11    3  to the right of    2
12    3   to the left of    4
13    3   to the left of   14
14    4             near    1
15    4  to the right of    0
16    4  to the right of    2
17    4  to the right of    3
18    4  to the right of   14
19    7   to the left of   14
20    9               on    6
21    9               on    5
22    9             near    0
23   10  to the right of   11
24   11   to the left of   10
25   12               in    1
26   14   to the left of   16
27   14  to the right of    0
28   14             near    1
29   14   to the left of    4
30   14  to the right of    3
31   14  to the right of    2
32   14  to the right of    7
33   14           beside    0
34   16  to the right of    0
35   16  to the right of   14