Which side is the red pillow on?
The pillow is on the right of the image.
     src        edge_attr  dst
0      0   to the left of   16
1      0   to the left of   31
2      0   to the left of   22
3      0   to the left of   20
4      0   to the left of    8
..   ...              ...  ...
184   32   to the left of   18
185   32  to the right of   30
186   32   to the left of   12
187   32   to the left of    6
188   32  to the right of   29

[189 rows x 3 columns]