Do you think that lid is closed or open?
The lid is closed.
    src       edge_attr  dst
0     1  to the left of   13
1     1  to the left of   11
2     1  to the left of   15
3     1  to the left of   16
4     1  to the left of    7
..  ...             ...  ...
59   17  to the left of    3
60   18  to the left of   16
61   18  to the left of   15
62   18  to the left of    3
63   18  to the left of   13

[64 rows x 3 columns]