Are the clouds both small and white?
No, the clouds are white but large.
   src        edge_attr  dst
0    0   to the left of    3
1    0   to the left of    4
2    0   to the left of    5
3    3  to the right of    0
4    4  to the right of    0
5    5               on    3
6    5  to the right of    0