On which side is the toothpaste?
The toothpaste is on the left of the image.
    src        edge_attr  dst
0     0  to the right of    2
1     0               by    8
2     0   to the left of   11
3     0   to the left of    9
4     0  to the right of   13
..  ...              ...  ...
63   13   to the left of    9
64   15   to the left of    1
65   15   to the left of    5
66   15   to the left of    4
67   15   to the left of    7

[68 rows x 3 columns]