What shape is the lamp shade?
The lamp shade is square.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    7
2     0  to the right of   12
3     1      in front of   14
4     1  to the right of   12
..  ...              ...  ...
79   18   to the left of    4
80   18  to the right of   17
81   18  to the right of    6
82   18  to the right of   16
83   18               on    6

[84 rows x 3 columns]