Does the sky look cloudy and full?
Yes, the sky is cloudy and full.
    src        edge_attr  dst
0     1               in    0
1     1   to the left of    4
2     2   to the left of    3
3     2   to the left of    6
4     3               in    9
5     3  to the right of    2
6     4               in    0
7     4  to the right of    1
8     5               in    0
9     6  to the right of    8
10    6  to the right of    2
11    8   to the left of    6