Is the weather overcast?
No, it is clear.
    src        edge_attr  dst
0     0  to the right of    9
1     1  to the right of    2
2     1    surrounded by   11
3     1  to the right of    9
4     1  to the right of    7
5     1   to the left of   11
6     1   to the left of   10
7     1   to the left of    4
8     2   to the left of    1
9     2  to the right of    9
10    3   to the left of    4
11    3            below    0
12    3   to the left of   10
13    4  to the right of    1
14    4  to the right of    3
15    6  to the right of    7
16    6               on    1
17    6   to the left of   11
18    7   to the left of    6
19    7   to the left of    1
20    9   to the left of    0
21    9   to the left of    1
22    9   to the left of   13
23    9   to the left of    2
24   10  to the right of    1
25   10  to the right of    3
26   11  to the right of    6
27   11               by    1
28   11  to the right of    1
29   13  to the right of    9