Is it overcast?
Yes, it is overcast.
    src        edge_attr  dst
0     0   to the left of    7
1     1  to the right of   10
2     2  to the right of    5
3     2  to the right of    6
4     2  to the right of    9
5     2  to the right of    8
6     2  to the right of   11
7     2  to the right of    4
8     2  to the right of    7
9     2               in    3
10    4   to the left of    2
11    5   to the left of    2
12    6   to the left of    2
13    7  to the right of    0
14    7   to the left of    2
15    8   to the left of    2
16    9   to the left of    2
17   10   to the left of    1
18   11   to the left of    2