Do you see any bags on the ground?
No, there is a box on the ground.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of   22
2     0   to the left of    7
3     0   to the left of    3
4     0   to the left of   11
..  ...              ...  ...
73   22  to the right of    6
74   22   to the left of   23
75   22  to the right of    0
76   22           making   20
77   23  to the right of   22

[78 rows x 3 columns]