What do you think is on the table?
The rice is on the table.
    src        edge_attr  dst
0     0  to the right of   14
1     0  to the right of    4
2     0  to the right of    9
3     1  to the right of    2
4     2   to the left of    1
5     2   to the left of   10
6     2   to the left of    3
7     3               on   12
8     3  to the right of    2
9     4   to the left of    0
10    4  to the right of    9
11    4  to the right of   14
12    5   to the left of   12
13    8   to the left of   12
14    9               on    7
15    9   to the left of    0
16    9   to the left of    4
17   10  to the right of    2
18   10               on    6
19   11   to the left of   15
20   12  to the right of    5
21   12  to the right of   16
22   12  to the right of    8
23   13               on    7
24   14   to the left of    0
25   14   to the left of    4
26   15               on   14
27   15  to the right of   11
28   16   to the left of   12