Is the moss growing on the dirt?
Yes, the moss is growing on the dirt.
    src        edge_attr  dst
0     0   to the left of    5
1     0   to the left of    2
2     0   to the left of   14
3     0   to the left of    6
4     1  to the right of    3
..  ...              ...  ...
62   21   to the left of    1
63   21  to the right of    3
64   21  to the right of    2
65   21  to the right of   14
66   21  to the right of    5

[67 rows x 3 columns]