Does the flag to the left of the airplane look red or blue?
The flag is red.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    6
2     1  to the right of    0
3     3  to the right of   15
4     3   to the left of   16
5     3  to the right of    6
6     4  to the right of   11
7     5  to the right of   11
8     6   to the left of   16
9     6   to the left of    1
10    6   to the left of    3
11    7   to the left of   11
12    8  to the right of   10
13    8  to the right of   16
14    9  to the right of   10
15   10  to the right of   14
16   10   to the left of    9
17   10   to the left of    8
18   11   to the left of    4
19   11   to the left of   18
20   11  to the right of    7
21   11   to the left of    5
22   14   to the left of   10
23   15   to the left of    3
24   15               of    1
25   16  to the right of    3
26   16  to the right of    6
27   16   to the left of    8
28   18               of    1
29   18  to the right of   11