In which part of the photo is the metal knife?
The knife is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   26
1     1   to the left of   23
2     1   to the left of   25
3     2          full of    4
4     2   to the left of   25
..  ...              ...  ...
76   30   to the left of   20
77   31   to the left of   12
78   31  to the right of    4
79   31  to the right of    2
80   31   to the left of   18

[81 rows x 3 columns]