Do you see any airplanes there?
No, there are no airplanes.
    src        edge_attr  dst
0     0   to the left of    8
1     3   to the left of    8
2     3               of   23
3     4  to the right of   13
4     4  to the right of    9
5     4               of    5
6     4  to the right of   16
7     5          chasing   21
8     5  to the right of   13
9     5            above   21
10    5  to the right of   16
11    6               of    5
12    6  to the right of    9
13    7   to the left of   19
14    7   to the left of   21
15    8  to the right of    0
16    8  to the right of    3
17    8   to the left of   10
18    8  to the right of   15
19    8  to the right of   19
20    9   to the left of    4
21    9   to the left of    6
22    9   to the left of   18
23    9  to the right of   16
24    9  to the right of   13
25    9               of    5
26   10  to the right of    8
27   10  to the right of   19
28   11   to the left of   21
29   11   to the left of   12
30   12  to the right of   11
31   12  to the right of   15
32   13               in    2
33   13   to the left of    4
34   13   to the left of    5
35   13   to the left of    9
36   13   to the left of   18
37   14               in    2
38   15   to the left of    8
39   15   to the left of   12
40   15   to the left of   19
41   15   to the left of   21
42   16   to the left of    5
43   16               in   17
44   16   to the left of   18
45   16   to the left of    9
46   16   to the left of    4
47   18  to the right of   13
48   18  to the right of   16
49   18  to the right of    9
50   19  to the right of   15
51   19  to the right of    7
52   19   to the left of    8
53   19   to the left of   10
54   20  to the right of   21
55   21          beneath    5
56   21   to the left of   20
57   21  to the right of   15
58   21  to the right of   11
59   21  to the right of    7