Do you think the floor is green?
No, the floor is brown.
    src        edge_attr  dst
0     0  to the right of   13
1     0   to the left of   15
2     0   to the left of   14
3     0   to the left of    6
4     0  to the right of    7
..  ...              ...  ...
69   15  to the right of    7
70   15  to the right of    0
71   16   to the left of   13
72   17  to the right of   13
73   17  to the right of    0

[74 rows x 3 columns]