Which color does that door have?
The door has brown color.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    5
2     0   to the left of   11
3     1   to the left of    4
4     2               on    5
5     3  to the right of    5
6     3  to the right of    4
7     3  to the right of    8
8     3  to the right of    6
9     3  to the right of   11
10    3  to the right of    9
11    4   to the left of    3
12    4  to the right of    1
13    4               on    5
14    5  to the right of    0
15    5   to the left of    3
16    5   to the left of    6
17    5             with    2
18    6               on    9
19    6   to the left of    3
20    6  to the right of    5
21    7               on    5
22    8  to the right of    0
23    8   to the left of    3
24    9   to the left of    3
25   10  to the right of   12
26   11  to the right of    0
27   11   to the left of    3
28   12   to the left of   10