On which side are the crates?
The crates are on the right of the image.
     src        edge_attr  dst
0      0  to the right of   20
1      0  to the right of    3
2      1  to the right of   18
3      1  to the right of   17
4      1  to the right of   19
..   ...              ...  ...
96    24   to the left of    2
97    24  to the right of   12
98    24  to the right of   21
99    25   to the left of   18
100   25   to the left of   17

[101 rows x 3 columns]