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