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