On which side is the knife?
The knife is on the right of the image.
    src        edge_attr  dst
0     0  to the right of    5
1     1   to the left of   21
2     1  to the right of    3
3     1   to the left of   20
4     1   to the left of   14
..  ...              ...  ...
74   22  to the right of    3
75   22  to the right of    8
76   22   to the left of   14
77   22   to the left of   20
78   23   to the left of   13

[79 rows x 3 columns]