What is the color of that floor?
The floor is black.
    src        edge_attr  dst
0     0   to the left of    9
1     1   to the left of   11
2     1   to the left of    5
3     2  to the right of    4
4     2   to the left of   11
5     2  to the right of   10
6     2  to the right of    9
7     2   to the left of    5
8     2  to the right of    8
9     3   to the left of    5
10    3  to the right of   12
11    3   to the left of   11
12    4  to the right of   12
13    4   to the left of    2
14    4   to the left of    8
15    5  to the right of    6
16    5  to the right of   13
17    5  to the right of   11
18    5  to the right of    1
19    5  to the right of    3
20    5  to the right of    7
21    5  to the right of    2
22    6   to the left of    5
23    7   to the left of    5
24    7   to the left of   11
25    8  to the right of    9
26    8  to the right of    4
27    8   to the left of    2
28    8   to the left of   11
29    9  to the right of   12
30    9  to the right of    0
31    9   to the left of    8
32    9  to the right of   10
33    9   to the left of    2
34   10   to the left of    9
35   10   to the left of    2
36   11   to the left of    5
37   11  to the right of    2
38   11  to the right of    7
39   11  to the right of    8
40   11  to the right of    3
41   11  to the right of    1
42   12   to the left of    9
43   12   to the left of    4
44   12   to the left of    3
45   13   to the left of    5