Is the beak little?
No, the beak is large.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    5
2     0   to the left of    4
3     0   to the left of   12
4     0   to the left of   11
5     2  to the right of    8
6     2  to the right of   11
7     3   to the left of    6
8     4  to the right of    0
9     5  to the right of    0
10    5  to the right of    8
11    6  to the right of    3
12    7               of   12
13    8  to the right of    0
14    8   to the left of   11
15    8   to the left of    2
16    8   to the left of    5
17   11  to the right of    0
18   11  to the right of    8
19   11   to the left of    2
20   12               on    4
21   12  to the right of    0