Is the weather cloudy?
No, it is clear.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    3
2     0   to the left of    1
3     0   to the left of    2
4     1  to the right of    0
5     2   to the left of    3
6     2  to the right of    0
7     3  to the right of    0
8     3  to the right of    2
9     3  to the right of   10
10    3  to the right of    6
11    5  to the right of    9
12    6   to the left of    3
13    8   to the left of    9
14    9   to the left of    5
15    9  to the right of    8
16    9  to the right of   11
17   10  to the right of    0
18   10   to the left of    3
19   11   to the left of    9