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