Is it outdoors or indoors?
It is outdoors.
    src        edge_attr  dst
0     0   to the left of   12
1     1   to the left of   12
2     1  to the right of    8
3     1  to the right of   18
4     2   to the left of    4
5     2   to the left of   18
6     3  to the right of   10
7     3   to the left of   18
8     4  to the right of    2
9     5   to the left of   12
10    7  to the right of   19
11    8   to the left of   20
12    8   to the left of    1
13    8   to the left of   12
14    8  to the right of   18
15   10   to the left of    3
16   11               on   10
17   12  to the right of    1
18   12  to the right of    5
19   12  to the right of   20
20   12  to the right of    0
21   12  to the right of   14
22   12  to the right of   15
23   12  to the right of    8
24   13            above   19
25   14   to the left of   12
26   15   to the left of   12
27   15  to the right of   18
28   18   to the left of    1
29   18  to the right of    2
30   18   to the left of   15
31   18   to the left of    8
32   18  to the right of    3
33   19            under   13
34   19   to the left of    7
35   20  to the right of    8
36   20   to the left of   12