Is that waiter serving tea?
No, the waiter is serving coffee.
     src        edge_attr  dst
0      0  to the right of   13
1      1  to the right of    9
2      1   to the left of   15
3      1   to the left of    8
4      1  to the right of    4
..   ...              ...  ...
215   23  to the right of   16
216   23  to the right of   11
217   23  to the right of   20
218   23  to the right of   22
219   23  to the right of    8

[220 rows x 3 columns]