Is it an indoors scene?
Yes, it is indoors.
   src        edge_attr  dst
0    0               on    3
1    3  to the right of   10
2    3  to the right of    6
3    3  to the right of    8
4    3  to the right of    5
5    5   to the left of    3
6    6   to the left of    3
7    8   to the left of    3
8   10   to the left of    3