Is it outdoors?
No, it is indoors.
    src        edge_attr  dst
0     0  to the right of   10
1     1  to the right of   10
2     1  to the right of   12
3     1  to the right of    8
4     1  to the right of   11
5     2   to the left of    4
6     4  to the right of    2
7     5  to the right of    8
8     5  to the right of   11
9     6  to the right of   12
10    8   to the left of    1
11    8   to the left of    5
12    9               on   10
13   10   to the left of    0
14   10   to the left of    1
15   11   to the left of    5
16   11   to the left of    1
17   12   to the left of    6
18   12   to the left of    1