What's in front of the wall?
The table is in front of the wall.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of    9
2     0  to the right of   13
3     0  to the right of   12
4     0  to the right of    3
5     0  to the right of    2
6     0  to the right of    8
7     0  to the right of    5
8     1   to the left of    5
9     1   to the left of    3
10    1   to the left of   13
11    1   to the left of    8
12    1   to the left of    2
13    2  to the right of    1
14    2   to the left of    0
15    3  to the right of    1
16    3   to the left of    0
17    4  to the right of    5
18    4  to the right of   12
19    4  to the right of   13
20    5      in front of    7
21    5   to the left of    0
22    5  to the right of    1
23    5   to the left of    4
24    6            below   11
25    7           behind    5
26    8   to the left of    0
27    8  to the right of    1
28    8               in    2
29    9   to the left of   13
30    9   to the left of    0
31   10               in    8
32   10               in    2
33   11               on    9
34   11   to the left of    0
35   12   to the left of    4
36   12   to the left of    0
37   13   to the left of    4
38   13   to the left of    0
39   13        on top of    5
40   13  to the right of    1
41   13  to the right of    9
42   13               on    5