Is it a store?
Yes, it is a store.
    src        edge_attr  dst
0     1   to the left of    8
1     2  to the right of    8
2     2   to the left of    5
3     4             near    5
4     5             near    4
5     5  to the right of    2
6     5  to the right of    8
7     6   to the left of   10
8     6   to the left of    8
9     8   to the left of    2
10    8   to the left of    5
11    8  to the right of    1
12    8  to the right of    6
13   10  to the right of    6