Is the box black or blue?
The box is blue.
     src        edge_attr  dst
0      0   to the left of    2
1      0   to the left of   10
2      0               of   11
3      0  to the right of   17
4      0  to the right of   15
..   ...              ...  ...
122   25   to the left of   26
123   26  to the right of   25
124   26   to the left of    6
125   26               of   23
126   26  to the right of    5

[127 rows x 3 columns]