What is on the table?
The lamp is on the table.
     src        edge_attr  dst
0      0  to the right of    1
1      0  to the right of    2
2      1   to the left of    0
3      1  to the right of    2
4      2   to the left of    1
..   ...              ...  ...
123   27   to the left of   14
124   27   to the left of   26
125   27  to the right of   13
126   27   to the left of    9
127   27  to the right of   10

[128 rows x 3 columns]