Is the bright sky partly cloudy or cloudless?
The sky is cloudless.
    src        edge_attr  dst
0     0   to the left of    6
1     0  to the right of    2
2     0   to the left of   21
3     0   to the left of   16
4     1   to the left of   20
..  ...              ...  ...
76   21   to the left of    8
77   21  to the right of    5
78   21  to the right of   16
79   21  to the right of    0
80   21  to the right of   18

[81 rows x 3 columns]