On which side of the photo is the bed?
The bed is on the left of the image.
    src        edge_attr  dst
0     0               on    3
1     0   to the left of   15
2     0   to the left of    9
3     0   to the left of    5
4     0   to the left of   14
..  ...              ...  ...
70   15  to the right of    0
71   16  to the right of    1
72   16   to the left of    2
73   16  to the right of    4
74   16  to the right of    9

[75 rows x 3 columns]