What is on the shelf in the top of the photo?
The binder is on the shelf.
     src        edge_attr  dst
0      0   to the left of   15
1      0   to the left of   14
2      0  to the right of   25
3      0   to the left of   17
4      0  to the right of    7
..   ...              ...  ...
136   25   to the left of   11
137   25   to the left of    5
138   25   to the left of   14
139   25   to the left of   17
140   25   to the left of   19

[141 rows x 3 columns]