Are there boxes to the right of the shelf that is in the top of the picture?
No, there is a book to the right of the shelf.
     src        edge_attr  dst
0      0   to the left of    7
1      0  to the right of    6
2      0  to the right of   25
3      0  to the right of   10
4      1  to the right of   30
..   ...              ...  ...
131   31   to the left of   32
132   32  to the right of   18
133   32  to the right of   31
134   32   to the left of    5
135   32   to the left of    6

[136 rows x 3 columns]