Which color is the sky?
The sky is dark blue.
    src        edge_attr  dst
0     1   to the left of   16
1     1   to the left of    5
2     2  to the right of   12
3     2  to the right of   13
4     2  to the right of   19
5     2   to the left of   11
6     3             with    4
7     3  to the right of    4
8     3   to the left of    9
9     4   to the left of    3
10    4   to the left of    9
11    4   to the left of    7
12    4   to the left of   20
13    4  to the right of   11
14    5  to the right of   15
15    5          hitting    1
16    5  to the right of    1
17    5  to the right of    8
18    6   to the left of    9
19    6   to the left of   20
20    7  to the right of    4
21    7   to the left of    9
22    7   to the left of   20
23    7  to the right of   11
24    8   to the left of    5
25    9  to the right of    6
26    9  to the right of    7
27    9  to the right of    4
28    9  to the right of   11
29    9  to the right of    3
30   10  to the right of   19
31   10   to the left of   11
32   10  to the right of   13
33   10  to the right of   12
34   11   to the left of    7
35   11  to the right of    2
36   11  to the right of   10
37   11   to the left of   20
38   11   to the left of    4
39   11   to the left of    9
40   12   to the left of    2
41   12   to the left of   10
42   12  to the right of   19
43   13   to the left of    2
44   13  to the right of   19
45   13   to the left of   10
46   15   to the left of   16
47   15   to the left of    5
48   15          hitting    8
49   16  to the right of   15
50   16  to the right of    1
51   19   to the left of   13
52   19   to the left of    2
53   19   to the left of   12
54   19   to the left of   10
55   20  to the right of    7
56   20  to the right of    6
57   20  to the right of    4
58   20  to the right of   11