What vegetables are in the box?
The vegetables are onions.
    src        edge_attr  dst
0     0  to the right of    2
1     1               in   10
2     1  to the right of    2
3     2   to the left of   10
4     2           behind   10
5     2   to the left of    7
6     2   to the left of    1
7     2   to the left of    0
8     3  to the right of   15
9     3  to the right of    8
10    5   to the left of   12
11    5  to the right of   16
12    5  to the right of   11
13    6  to the right of   14
14    6   to the left of   15
15    7  to the right of    2
16    8  to the right of   11
17    8   to the left of    3
18    8  to the right of   16
19    9   to the left of   12
20   10  to the right of    2
21   10      in front of    2
22   11   to the left of    8
23   11   to the left of    5
24   11  to the right of   14
25   11  to the right of   13
26   12  to the right of    9
27   12  to the right of    5
28   13   to the left of   11
29   13   to the left of   16
30   14   to the left of    6
31   14   to the left of   11
32   14   to the left of   16
33   15  to the right of    6
34   15   to the left of    3
35   16  to the right of   13
36   16  to the right of   14
37   16   to the left of    5
38   16   to the left of    8