What is the color of the open door?
The door is white.
     src        edge_attr  dst
0      1   to the left of   11
1      1   to the left of   10
2      2  to the right of   12
3      2  to the right of   20
4      2  to the right of    8
..   ...              ...  ...
120   20  to the right of   15
121   20   to the left of    3
122   20   to the left of    8
123   20   to the left of   12
124   20  to the right of   18

[125 rows x 3 columns]