#    grid_size_x grid_size_y
grid          40          40

#      index    x    y type   r   g   b
device     0    0    0    1   0 255   0
device     1  500  500    3   0 255   0
device     2 1500 1500    1 255 255   0
device     3    0 1000    1   0 255   0
device     4 -500  500    0   0 255   0   
device     5 1000    0    2 255 255   0
device     6 1500 1000    2 255 255   0
device     7 1500 -500    4 255 255   0


#         from to   r   g   b
data_line    0  1   0 255   0
data_line    1  2 255 255   0
data_line    4  2 255 255   0
data_line    2  3   0 255   0
data_line    3  6 255 255   0
data_line    5  2 255 255   0
data_line    2  6 255 255   0
data_line    6  7 255 255   0
data_line    5  4   0 255   0


