On which side of the picture is the shelf?
The shelf is on the right of the image.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of    7
2     0  to the right of    9
3     1  to the right of   12
4     1  to the right of    2
5     1   to the left of    5
6     2   to the left of    6
7     2  to the right of    9
8     2  to the right of   10
9     2  to the right of    7
10    2   to the left of    1
11    2   to the left of    3
12    2   to the left of   15
13    3  to the right of   12
14    3  to the right of    6
15    3  to the right of    2
16    5  to the right of   15
17    5  to the right of   14
18    5  to the right of    1
19    6   to the left of    3
20    6  to the right of   12
21    6  to the right of    2
22    6   to the left of   15
23    7   to the left of    2
24    7   to the left of    0
25    8  to the right of   11
26    8  to the right of   14
27    8               in    4
28    9   to the left of    0
29    9   to the left of    2
30    9   to the left of   11
31   10   to the left of   12
32   10   to the left of    2
33   10   to the left of    0
34   11  to the right of    9
35   11   to the left of    8
36   12   to the left of   15
37   12   to the left of    1
38   12   to the left of    3
39   12   to the left of    6
40   12  to the right of   10
41   14   to the left of    5
42   14   to the left of    8
43   15   to the left of    5
44   15  to the right of    2
45   15  to the right of   12
46   15  to the right of    6