Does the sky look cloudless?
Yes, the sky is cloudless.
    src        edge_attr  dst
0     0   to the left of    9
1     2  to the right of   10
2     3   to the left of    6
3     3  to the right of    7
4     3   to the left of    9
..  ...              ...  ...
71   19  to the right of    8
72   19   to the left of    6
73   19  to the right of    5
74   19   to the left of    9
75   19  to the right of   15

[76 rows x 3 columns]