What is the frame around of?
The frame is around the door.
     src        edge_attr  dst
0      0   to the left of    6
1      0  to the right of   12
2      0               on    3
3      0   to the left of    4
4      0  to the right of   19
..   ...              ...  ...
111   19   to the left of    7
112   19  to the right of    1
113   19  to the right of   12
114   19   to the left of   14
115   19   to the left of    8

[116 rows x 3 columns]