Do you see any mustard or meat there?
Yes, there is mustard.
    src        edge_attr  dst
0     1          full of    9
1     1   to the left of    3
2     1   to the left of   11
3     1   to the left of    4
4     3  to the right of    1
5     3  to the right of    7
6     3  to the right of    9
7     4  to the right of    1
8     4  to the right of    7
9     4  to the right of    9
10    5  to the right of    9
11    7   to the left of    3
12    7   to the left of    4
13    8  to the right of    9
14    9   to the left of    4
15    9   to the left of    3
16    9   to the left of    5
17    9   to the left of    8
18   11  to the right of    1