Is the sky blue and clear?
Yes, the sky is blue and clear.
    src        edge_attr  dst
0     0  to the right of   14
1     0  to the right of    6
2     0  to the right of    8
3     0   to the left of   13
4     0   to the left of   16
5     0   to the left of   15
6     0   to the left of   17
7     0  to the right of    7
8     2  to the right of   10
9     2  to the right of    9
10    3   to the left of    8
11    3   to the left of    7
12    4   to the left of    5
13    4  to the right of   16
14    5  to the right of   15
15    5  to the right of    4
16    5  to the right of   13
17    6   to the left of    0
18    6  to the right of    7
19    6   to the left of   17
20    6   to the left of   15
21    7   to the left of    0
22    7   to the left of    6
23    7  to the right of    3
24    7   to the left of   17
25    8  to the right of    3
26    8   to the left of   17
27    8   to the left of    0
28    9           behind   10
29    9   to the left of    2
30   10      in front of    9
31   10   to the left of    2
32   13  to the right of    0
33   13  to the right of   15
34   13   to the left of    5
35   14   to the left of    0
36   14   to the left of   17
37   14   to the left of   16
38   14   to the left of   15
39   15  to the right of    0
40   15  to the right of   14
41   15  to the right of    6
42   15   to the left of   13
43   15   to the left of    5
44   16   to the left of    4
45   16  to the right of   14
46   16  to the right of    0
47   17  to the right of    8
48   17  to the right of    7
49   17  to the right of    6
50   17  to the right of    0
51   17  to the right of   14