Which side of the photo is the shelf on?
The shelf is on the right of the image.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    0
2     1   to the left of   10
3     1  to the right of    9
4     3   to the left of   14
5     4   to the left of   14
6     4   to the left of    7
7     4   to the left of   15
8     5   to the left of   16
9     5   to the left of   10
10    7  to the right of    4
11    7  to the right of    9
12    8   to the left of   15
13    9   to the left of   11
14    9   to the left of    1
15    9   to the left of   15
16    9   to the left of    7
17    9   to the left of   13
18   10               in   16
19   10  to the right of    5
20   10  to the right of    1
21   10  to the right of   11
22   10               in    2
23   11   to the left of   10
24   11  to the right of    9
25   13  to the right of   15
26   13  to the right of    9
27   14  to the right of    3
28   14  to the right of    4
29   15  to the right of    9
30   15   to the left of   13
31   15  to the right of    4
32   15  to the right of    8
33   16  to the right of    5