On which side is the napkin?
The napkin is on the right of the image.
    src       edge_attr  dst
0     0       on top of   14
1     0  to the left of    9
2     0  to the left of    3
3     0  to the left of   11
4     0  to the left of   10
..  ...             ...  ...
77   18  to the left of   11
78   18  to the left of    3
79   19       on top of   14
80   19  to the left of   11
81   19  to the left of    0

[82 rows x 3 columns]