Does the carpet look white?
No, the carpet is brown.
   src        edge_attr  dst
0    0  to the right of    9
1    3  to the right of    7
2    3  to the right of    4
3    3               on   10
4    4   to the left of    3
5    7   to the left of    3
6    7   to the left of   10
7    7               on   10
8    9   to the left of    0
9   10  to the right of    7