What is on the window?
The curtains are on the window.
     src        edge_attr  dst
0      0  to the right of   11
1      0  to the right of   10
2      0  to the right of   21
3      0  to the right of   17
4      0  to the right of   13
..   ...              ...  ...
125   23   to the left of   14
126   23   to the left of    2
127   23   to the left of    8
128   23   to the left of    9
129   23               on   19

[130 rows x 3 columns]