Is that sky blue and cloudy?
Yes, the sky is blue and cloudy.
   src        edge_attr  dst
0    1               in    0
1    2  to the right of    6
2    4  to the right of    7
3    4   to the left of   10
4    6   to the left of    2
5    7   to the left of    4
6   10  to the right of    4