Is the shelf in the bottom part of the picture?
Yes, the shelf is in the bottom of the image.
    src        edge_attr  dst
0     0  to the right of   13
1     0   to the left of    8
2     1  to the right of   13
3     1   to the left of    8
4     2  to the right of   15
5     2   to the left of    8
6     3               of   10
7     3   to the left of    5
8     3   to the left of    9
9     3  to the right of   11
10    4               of   10
11    5  to the right of    3
12    5   to the left of    8
13    5               of   10
14    6   to the left of    8
15    6             near   10
16    6  to the right of   11
17    7            below    2
18    8             near   10
19    8  to the right of    6
20    8  to the right of   14
21    8  to the right of   16
22    8  to the right of   13
23    8  to the right of   10
24    8  to the right of    9
25    8  to the right of    1
26    8  to the right of    0
27    8  to the right of    5
28    8  to the right of    2
29    9  to the right of    3
30    9               of   10
31    9   to the left of    8
32   10        on top of    2
33   10  to the right of   11
34   10   to the left of    8
35   10             near    8
36   10             near    6
37   11   to the left of    3
38   11   to the left of    6
39   11  on the front of   16
40   11   to the left of   10
41   13   to the left of    8
42   13   to the left of    0
43   13   to the left of   14
44   13   to the left of    1
45   14  to the right of   13
46   14   to the left of    8
47   15         lying on    7
48   15   to the left of    2
49   16   to the left of    8