Do you see windows or clocks?
Yes, there are windows.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of   14
2     0             near    8
3     0  to the right of   10
4     1  to the right of    2
..  ...              ...  ...
61   15  to the right of   10
62   16  to the right of   15
63   16  to the right of    4
64   16  to the right of    3
65   16  to the right of   10

[66 rows x 3 columns]