Is that sky gray or orange?
The sky is gray.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   11
2     0   to the left of    9
3     0   to the left of    3
4     0  to the right of   12
5     0   to the left of    2
6     0               by    9
7     1  to the right of    5
8     1   to the left of    4
9     2   to the left of   15
10    2               of    9
11    2   to the left of    3
12    2   to the left of   11
13    2  to the right of    0
14    3  to the right of   15
15    3  to the right of    2
16    3  to the right of    0
17    3               of    9
18    3  to the right of   11
19    4  to the right of    1
20    4  to the right of    5
21    5   to the left of    1
22    5   to the left of    4
23    6   to the left of    7
24    6   to the left of    9
25    7  to the right of    6
26    8               of    9
27    9   to the left of   16
28    9  to the right of    6
29    9  to the right of    0
30   11   to the left of    3
31   11  to the right of    0
32   11  to the right of    2
33   11               of    9
34   11   to the left of   15
35   12   to the left of    0
36   15   to the left of    3
37   15  to the right of    0
38   15  to the right of    2
39   15  to the right of   11
40   15               of    9
41   16  to the right of    9