Do you see either a knife or a bread there?
No, there are no breads or knives.
    src        edge_attr  dst
0     0  to the right of    5
1     0   to the left of    4
2     1   to the left of    6
3     2   to the left of    6
4     2   to the left of    8
5     3   to the left of    4
6     3  to the right of    5
7     4  to the right of    0
8     4  to the right of    3
9     5   to the left of    3
10    5   to the left of    0
11    6  to the right of    2
12    6  to the right of    1
13    8  to the right of    2