Are there chimneys or clocks?
No, there are no clocks or chimneys.
   src        edge_attr  dst
0    1  to the right of    6
1    6   to the left of    1
2    6  to the right of   10
3    6   to the left of    9
4    7        on top of    2
5    8        on top of    2
6    9  to the right of    6
7   10   to the left of    6