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