Is the flag in the bottom part of the image?
Yes, the flag is in the bottom of the image.
    src        edge_attr  dst
0     0  to the right of    5
1     1   to the left of    3
2     1  to the right of    4
3     1   to the left of    9
4     3   to the left of    9
5     3  to the right of    1
6     4   to the left of    1
7     5   to the left of    0
8     8  to the right of   14
9     8  to the right of   11
10    8  to the right of   13
11    9  to the right of    3
12    9  to the right of    1
13   10   to the left of   14
14   10   to the left of   13
15   11   to the left of    8
16   13  to the right of   10
17   13   to the left of    8
18   13   to the left of   14
19   14   to the left of    8
20   14  to the right of   10
21   14  to the right of   13