Which color is the clear sky?
The sky is white.
     src        edge_attr  dst
0      0  to the right of   21
1      1   to the left of    5
2      1   to the left of   25
3      1   to the left of    7
4      1   to the left of   16
..   ...              ...  ...
97    25   to the left of   13
98    25   to the left of    5
99    25               on    4
100   25  to the right of    3
101   25  to the right of    1

[102 rows x 3 columns]