Is the tall tree on the left side or on the right?
The pine is on the right of the image.
    src        edge_attr  dst
0     1  to the right of    3
1     1  to the right of    2
2     2               by    8
3     2   to the left of    1
4     2  to the right of    3
5     2  to the right of   10
6     3   to the left of    1
7     3  to the right of   10
8     3   to the left of    2
9     5  to the right of    8
10    7  to the right of    8
11    8   to the left of    9
12    8   to the left of    7
13    8   to the left of    5
14    9  to the right of    8
15    9  to the right of   10
16   10   to the left of    2
17   10   to the left of    3
18   10   to the left of    9