Do you see flags or toothpastes there?
No, there are no toothpastes or flags.
    src        edge_attr  dst
0     0   to the left of    3
1     1           behind    3
2     1  to the right of    2
3     2   to the left of    1
4     3      in front of    8
5     3      in front of    1
6     3  to the right of    0
7     4               on    3
8     4  to the right of    8
9     8   to the left of    4
10    8           behind    3