What kind of device is not white?
The device is a remote control.
   src        edge_attr  dst
0    0  to the right of    5
1    1        on top of    4
2    1  to the right of    5
3    2   to the left of    4
4    3        on top of    6
5    4  to the right of    2
6    4        on top of    6
7    5   to the left of    1
8    5   to the left of    0