What color is the floor?
The floor is white.
    src        edge_attr  dst
0     0           beside    1
1     0  to the right of    5
2     0   to the left of    2
3     0  to the right of    7
4     0  to the right of    6
5     1           behind    6
6     1   to the left of    2
7     2  to the right of    1
8     2  to the right of    0
9     4  to the right of    6
10    5  to the right of    6
11    5   to the left of    0
12    6   to the left of    7
13    6   to the left of    0
14    6   to the left of    5
15    6   to the left of    4
16    7   to the left of    0
17    7  to the right of    6