Are there blue cans or plates?
No, there is a plate but it is white.
   src        edge_attr  dst
0    1  to the right of    2
1    1  to the right of   10
2    1  to the right of    7
3    2   to the left of    1
4    7   to the left of    1
5    9   to the left of   10
6   10  to the right of    9
7   10   to the left of    1