Is it cloudless?
No, it is cloudy.
    src        edge_attr  dst
0     0  to the right of   16
1     0  to the right of   15
2     0  to the right of   17
3     0  to the right of    6
4     0  to the right of    4
..  ...              ...  ...
80   20  to the right of    3
81   21  to the right of   10
82   22  to the right of    6
83   22  to the right of   20
84   22   to the left of   12

[85 rows x 3 columns]