How is the weather?
It is cloudless.
    src        edge_attr  dst
0     1               on    4
1     3   to the left of    9
2     3  to the right of   10
3     3  to the right of   11
4     3  to the right of    7
5     5   to the left of   12
6     7  to the right of   10
7     7   to the left of    9
8     7   to the left of    3
9     9  to the right of   11
10    9  to the right of   10
11    9  to the right of    3
12    9  to the right of    7
13   10   to the left of    3
14   10   to the left of    9
15   10   to the left of    7
16   11   to the left of    9
17   11   to the left of    3
18   12  to the right of    5