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