On which side of the picture are the boxes?
The boxes are on the left of the image.
     src        edge_attr  dst
0      0           behind   24
1      0      in front of   20
2      0   to the left of   31
3      0   to the left of   16
4      0   to the left of   10
..   ...              ...  ...
381   47  to the right of   26
382   47  to the right of   29
383   47  to the right of   35
384   47  to the right of   31
385   47  to the right of   24

[386 rows x 3 columns]