Are there any waffles?
No, there are no waffles.
     src        edge_attr  dst
0      0   to the left of   16
1      0   to the left of    4
2      1   to the left of   21
3      1   to the left of   17
4      1   to the left of    2
..   ...              ...  ...
96    20   to the left of    2
97    21  to the right of    1
98    23   to the left of    9
99    23   to the left of    2
100   23   to the left of   16

[101 rows x 3 columns]