Of what color is the road?
The road is black.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of   13
2     1   to the left of    7
3     1  to the right of    5
4     1  to the right of    8
5     1  to the right of    9
6     5   to the left of    1
7     5   to the left of    6
8     6  to the right of    5
9     6  to the right of   11
10    7  to the right of    9
11    7  to the right of    8
12    7  to the right of    1
13    7  to the right of   11
14    7  to the right of   12
15    7   to the left of   10
16    7   to the left of   13
17    8   to the left of    1
18    8   to the left of    7
19    9   to the left of    7
20    9   to the left of    1
21    9   to the left of   13
22   10  to the right of   13
23   10   to the left of    0
24   10  to the right of    7
25   11   to the left of    6
26   11   to the left of    7
27   12               in    9
28   12   to the left of    7
29   13   to the left of   10
30   13   to the left of    0
31   13  to the right of    7
32   13  to the right of    9
33   13               on    3