Is it outdoors or indoors?
It is indoors.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   10
2     0  to the right of    5
3     0  to the right of    2
4     0  to the right of    1
5     1               on    0
6     1   to the left of    0
7     1  to the right of    7
8     1  to the right of    5
9     2   to the left of    0
10    5   to the left of    1
11    5   to the left of    0
12    6        on top of    5
13    7   to the left of    1
14    7   to the left of   10
15    7   to the left of    0
16    8               in    9
17   10  to the right of    7
18   10   to the left of    0
19   11               on    4