What is in the sky?
The clouds are in the sky.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    2
2     0   to the left of   12
3     0  to the right of   13
4     0   to the left of   14
..  ...              ...  ...
80   22  to the right of   14
81   22  to the right of   19
82   22  to the right of    1
83   22   to the left of   21
84   22  to the right of   11

[85 rows x 3 columns]