What is the knife lying on?
The knife is lying on the table.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   12
2     1   to the left of    4
3     1   to the left of    2
4     1  to the right of    9
..  ...              ...  ...
67   19  to the right of   23
68   20  to the right of   11
69   21   to the left of   19
70   21  to the right of   11
71   23   to the left of   19

[72 rows x 3 columns]