Is the shelf on the right?
No, the shelf is on the left of the image.
    src        edge_attr  dst
0     0        on top of   11
1     0   to the left of    3
2     0               on   11
3     0       sitting in    4
4     1  to the right of    5
5     3   to the left of    9
6     3  to the right of    0
7     4   to the left of    5
8     4   to the left of    9
9     5   to the left of    8
10    5   to the left of    1
11    5  to the right of    4
12    7            above   10
13    8  to the right of    5
14    9  to the right of   11
15    9  to the right of    3
16    9  to the right of    4
17   10               on    6
18   10            below    7
19   11   to the left of    9