What's in the planter?
The tree is in the planter.
    src        edge_attr  dst
0     0  to the right of    2
1     2   to the left of    0
2     2  to the right of   11
3     2  to the right of    7
4     3               of   11
5     3  to the right of   14
6     3   to the left of    4
7     4   to the left of    5
8     4  to the right of    3
9     4   to the left of    8
10    4  to the right of    6
11    4  to the right of   17
12    4  to the right of   10
13    4  to the right of   14
14    4  to the right of   12
15    4               of    5
16    5  to the right of    6
17    5  to the right of    4
18    5  to the right of   12
19    6   to the left of    4
20    6   to the left of    5
21    7   to the left of    2
22    7               of   11
23    8  to the right of    4
24    8  to the right of   10
25    8  to the right of   11
26    9               by   14
27   10   to the left of    4
28   10  to the right of   13
29   10   to the left of    8
30   11               in    2
31   11               in   16
32   11      in front of   12
33   11   to the left of    8
34   11  to the right of   14
35   11   to the left of    2
36   11               on    0
37   11               on    2
38   12   to the left of    5
39   12   to the left of    4
40   12           behind   11
41   12  to the right of   15
42   12  to the right of   13
43   12               in   10
44   13   to the left of   15
45   13   to the left of   10
46   13   to the left of   12
47   14   to the left of   11
48   14   to the left of    3
49   14   to the left of    4
50   15  to the right of   13
51   15   to the left of   12
52   17   to the left of    4
53   17               of   11