What is on the wall?
The sign is on the wall.
    src        edge_attr  dst
0     0   to the left of    8
1     1  to the right of    9
2     2   to the left of    8
3     2   to the left of    5
4     2  to the right of    3
5     3   to the left of    2
6     3   to the left of    8
7     3   to the left of    5
8     4  to the right of    9
9     5   to the left of    8
10    5  to the right of    3
11    5  to the right of    2
12    6  to the right of    9
13    6  to the right of   11
14    7   to the left of    8
15    8  to the right of    2
16    8  to the right of    3
17    8  to the right of   11
18    8  to the right of    7
19    8  to the right of    5
20    8  to the right of    0
21    9           inside   12
22    9   to the left of   10
23    9   to the left of    6
24    9   to the left of    4
25    9   to the left of    1
26   10  to the right of    9
27   10               on    6
28   11   to the left of    6
29   11   to the left of    8