Do you see a flag on the building?
Yes, there is a flag on the building.
    src        edge_attr  dst
0     0               on    9
1     0  to the right of   19
2     1  to the right of    4
3     1  to the right of    2
4     1  to the right of   12
5     1  to the right of   11
6     2   to the left of    1
7     2  to the right of    7
8     2   to the left of    4
9     2   to the left of   10
10    2           behind   11
11    4  to the right of   12
12    4  to the right of   11
13    4  to the right of    2
14    4   to the left of    1
15    5  to the right of    6
16    5   to the left of    7
17    5               on    9
18    5               on   19
19    5             near    6
20    6               on    9
21    6               on   19
22    6   to the left of    5
23    6          next to    5
24    6   to the left of    7
25    7   to the left of   16
26    7  to the right of   14
27    7   to the left of    2
28    7  to the right of    5
29    7  to the right of    6
30    7   to the left of   11
31   10     driving down    9
32   10               on    9
33   10  to the right of    2
34   10  to the right of   11
35   11      in front of    2
36   11   to the left of   10
37   11  to the right of    7
38   11   to the left of    4
39   11   to the left of    1
40   11               on   15
41   12   to the left of    1
42   12   to the left of   13
43   12   to the left of    4
44   12  to the right of   14
45   12   to the left of   17
46   13  to the right of   12
47   13               on   17
48   14               on   19
49   14   to the left of    7
50   14   to the left of   12
51   15  to the right of   19
52   16  to the right of    7
53   17  to the right of   12
54   18               on   12
55   19   to the left of    0
56   19   to the left of   15