What sign is it?
The sign is a stop sign.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    4
2     1   to the left of    4
3     1   to the left of   12
4     2  to the right of    9
5     2  to the right of   12
6     2  to the right of    4
7     4  to the right of    1
8     4   to the left of    0
9     4   to the left of    2
10    4  to the right of    8
11    4   to the left of    6
12    4  to the right of    7
13    4   to the left of    9
14    4   to the left of   10
15    4  to the right of    5
16    5   to the left of    9
17    5   to the left of   10
18    5   to the left of   13
19    5   to the left of    4
20    5   to the left of   12
21    5   to the left of   11
22    5   to the left of   14
23    5   to the left of    6
24    6  to the right of   11
25    6  to the right of   14
26    6  to the right of    4
27    6  to the right of   13
28    6  to the right of    5
29    6      in front of   10
30    6  to the right of   12
31    7   to the left of   12
32    7   to the left of    4
33    8   to the left of    4
34    8   to the left of   12
35    9   to the left of    2
36    9  to the right of    4
37    9   to the left of    0
38    9  to the right of   12
39    9  to the right of    5
40   10  to the right of    5
41   10  to the right of    4
42   10  to the right of   12
43   10           behind    6
44   11   to the left of    6
45   11  to the right of    5
46   12  to the right of    5
47   12   to the left of   10
48   12  to the right of    1
49   12  to the right of    7
50   12   to the left of    9
51   12   to the left of    6
52   12   to the left of    2
53   12  to the right of    8
54   13   to the left of    6
55   13  to the right of    5
56   14  to the right of    5
57   14               on   13
58   14   to the left of    6