Is it outdoors or indoors?
It is indoors.
   src        edge_attr  dst
0    1               of    7
1    1   to the left of    3
2    2   to the left of    4
3    3   to the left of    4
4    3  to the right of    1
5    4  to the right of    3
6    4  to the right of    2
7    6               on    0
8    8               of    2