What's on the wall?
The painting is on the wall.
    src        edge_attr  dst
0     0  to the right of    2
1     1  to the right of   19
2     1  to the right of    2
3     2   to the left of    5
4     2   to the left of    0
5     2  to the right of   11
6     2   to the left of    1
7     2  to the right of    3
8     2   to the left of   10
9     2   to the left of   18
10    2  to the right of   17
11    3   to the left of   16
12    3   to the left of    2
13    3   to the left of   14
14    4   to the left of   14
15    4   to the left of   16
16    5  to the right of    2
17    5  to the right of   19
18    7  to the right of    8
19    7  to the right of   14
20    7  to the right of   13
21    7   to the left of   15
22    8               on    6
23    8   to the left of    7
24    8  to the right of   12
25   10  to the right of    2
26   11   to the left of    2
27   11               on   17
28   12               on   13
29   12   to the left of    8
30   13   to the left of    7
31   14   to the left of   16
32   14  to the right of    4
33   14   to the left of    7
34   14  to the right of    3
35   15  to the right of   16
36   15  to the right of    7
37   16   to the left of   15
38   16  to the right of   14
39   16  to the right of    3
40   16  to the right of    4
41   17   to the left of    2
42   18  to the right of    2
43   19   to the left of    1
44   19   to the left of    5