Are there any windows or clocks?
Yes, there is a window.
     src        edge_attr  dst
0      0  to the right of   18
1      0  to the right of   16
2      0  to the right of   21
3      0  to the right of   20
4      0  to the right of    8
..   ...              ...  ...
150   34   on the back of    2
151   34   to the left of   18
152   35   on the back of   12
153   35  to the right of    0
154   35  to the right of   33

[155 rows x 3 columns]