Where is the sign?
The sign is at the museum.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    4
2     0   to the left of   12
3     0  to the right of    6
4     1  to the right of   14
5     2   to the left of    3
6     2   to the left of   12
7     2   to the left of    8
8     3  to the right of    4
9     3   to the left of   12
10    3  to the right of    2
11    3  to the right of    9
12    3  to the right of    6
13    3  to the right of    0
14    4  to the right of    6
15    4   to the left of    3
16    4  to the right of    0
17    4   to the left of   12
18    5   to the left of   13
19    5   to the left of    7
20    6   to the left of    4
21    6   to the left of    3
22    6   to the left of   12
23    6  to the right of   15
24    6   to the left of    0
25    6  to the right of   14
26    7  to the right of    5
27    8  to the right of    9
28    8  to the right of   10
29    8  to the right of    2
30    9   to the left of    3
31    9   to the left of    8
32    9   to the left of   12
33   10               at   11
34   10   to the left of    8
35   12  to the right of    2
36   12  to the right of    4
37   12  to the right of    6
38   12  to the right of    3
39   12  to the right of    0
40   12  to the right of    9
41   13  to the right of    5
42   14               on    5
43   14   to the left of   15
44   14   to the left of    1
45   14   to the left of    6
46   14             near   15
47   15   to the left of    6
48   15          next to   14
49   15  to the right of   14
50   15             near   14