Are the glasses on the left?
Yes, the glasses are on the left of the image.
     src        edge_attr  dst
0      0  to the right of   22
1      0   to the left of   16
2      0  to the right of    9
3      0  to the right of    8
4      0  to the right of   23
..   ...              ...  ...
138   26  to the right of   13
139   26  to the right of   14
140   28  to the right of   21
141   28  to the right of   17
142   28  to the right of   11

[143 rows x 3 columns]