How big is the room?
The room is small.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of    3
2     0   to the left of    6
3     2   to the left of    8
4     2   to the left of    6
..  ...              ...  ...
81   27   to the left of    4
82   27   to the left of   16
83   28   to the left of    6
84   28  to the right of   15
85   28  to the right of    3

[86 rows x 3 columns]