Does that sweater look black or blue?
The sweater is black.
     src        edge_attr  dst
0      1  to the right of   10
1      1  to the right of    3
2      1  to the right of    5
3      1  to the right of    6
4      1  to the right of   19
..   ...              ...  ...
135   19   to the left of    5
136   19   to the left of    3
137   19   to the left of    8
138   19   to the left of    6
139   19   to the left of   10

[140 rows x 3 columns]