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