Are there both buses and windows in the picture?
Yes, there are both a window and a bus.
    src        edge_attr  dst
0     0  to the right of    7
1     1               of    7
2     3  to the right of   12
3     3   to the left of    5
4     4  to the right of   13
..  ...              ...  ...
72   21   to the left of    5
73   21   to the left of   18
74   21  to the right of   12
75   21   to the left of   20
76   21   to the left of   19

[77 rows x 3 columns]