Is this a store?
Yes, it is a store.
     src        edge_attr  dst
0      0  to the right of    1
1      0  to the right of    4
2      0  to the right of   29
3      0  to the right of   28
4      0  to the right of   10
..   ...              ...  ...
107   37   to the left of   10
108   37  to the right of   17
109   37  to the right of   34
110   37   to the left of   33
111   37   to the left of   36

[112 rows x 3 columns]