Is the counter in front of a calculator?
Yes, the counter is in front of a calculator.
     src        edge_attr  dst
0      0               on   32
1      0   to the left of   41
2      1  to the right of   14
3      1               on   32
4      1  to the right of   13
..   ...              ...  ...
209   41   to the left of   30
210   41  to the right of    0
211   41           behind   32
212   41   to the left of   35
213   41   to the left of   23

[214 rows x 3 columns]