Of which color is the floor?
The floor is light brown.
    src        edge_attr  dst
0     0               on    5
1     0   to the left of   10
2     0   to the left of    1
3     1   to the left of    9
4     1   to the left of    4
..  ...              ...  ...
81   19   to the left of   16
82   19   to the left of    3
83   19   to the left of   14
84   19             near   16
85   19  to the right of    2

[86 rows x 3 columns]