Which place is it?
It is a church.
   src        edge_attr  dst
0    0   to the left of    1
1    1  to the right of    0
2    4   to the left of    7
3    4   to the left of    6
4    6   to the left of    7
5    6  to the right of    4
6    7  to the right of    4
7    7  to the right of    6