On which side of the image is the shelf?
The shelf is on the left of the image.
    src        edge_attr  dst
0     0               on    5
1     0               on    6
2     0  to the right of   20
3     0  to the right of    9
4     1          holding    4
..  ...              ...  ...
77   23   to the left of   20
78   24  to the right of    7
79   24  to the right of   10
80   24  to the right of   20
81   24  to the right of    1

[82 rows x 3 columns]