Which side of the picture is the plane on?
The plane is on the left of the image.
    src        edge_attr  dst
0     0  to the right of   17
1     1               in   10
2     6  to the right of   13
3     6  to the right of   15
4    12               in   10
5    13   to the left of   16
6    13   to the left of   15
7    13   to the left of    6
8    15  to the right of   13
9    15   to the left of    6
10   15   to the left of   16
11   16  to the right of   15
12   16  to the right of   13
13   17   to the left of    0
14   17               of   17