Is the plane light blue and low?
No, the plane is light blue but high.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    2
2     1               of    6
3     1  to the right of    2
4     1  to the right of    3
5     2   to the left of    1
6     2   to the left of    0
7     3   to the left of    0
8     3   to the left of    1
9     4               of    6
10    6        flying in    5
11    6   flying through    5
12    6               in    5