m = 7;	% rows
n = 7;	% columns

% max intensity = 21
Intensity = [|
 2,  2,  3,  2,  4,  2,  6 |
 2,  7,  2,  8,  3,  9,  3 |
11,  3, 12,  3,  1,  3,  1 |
 3,  1,  3,  1,  3,  1,  4 |
 1,  4,  1,  4,  1,  0,  1 |
 1,  2,  3,  2,  4,  2,  5 |
 2,  6,  2,  7,  2,  8,  3
|];