Do you see a black pillow or blanket?
No, there is a pillow but it is red.
     src        edge_attr  dst
0      0   to the left of   21
1      0   to the left of   19
2      0   to the left of   25
3      0   to the left of   15
4      0   to the left of    6
..   ...              ...  ...
153   25   to the left of    1
154   25  to the right of    0
155   25  to the right of   17
156   25  to the right of   16
157   25  to the right of   18

[158 rows x 3 columns]