have = [
    0x62 0x39 0x2e;
    0xe5 0x9f 0x8d;
    0x4c 0x7d 0xac;
    0x39 0x52 0x0d;
    0x83 0x7b 0xbf;
    0x58 0xbb 0xb1;
    0xed 0x7d 0x0f;
    0x2f 0x4e 0xbc;
    0xed 0x45 0x5b;
    0x53 0x20 0x5f;
    0xbd 0xcd 0x1f;
    0xe2 0x9b 0x00;
    0x00 0x28 0x9f;
    0x51 0xad 0x3f;
    0xdd 0x1a 0x2a;
    0xfe 0xde 0x00;
    0xd1 0x36 0xa0;
    0x00 0x7f 0xae;
    0xe2 0xe0 0xe1;
    0xb5 0xb4 0xb6;
    0x78 0x77 0x7b;
    0x37 0x37 0x3c];

want = [
    0x73 0x36 0x2c;
    0xd3 0x88 0x6a;
    0x53 0x64 0x94;
    0x53 0x4c 0x25;
    0x85 0x6d 0xb0;
    0x64 0xbf 0xa5;
    0xe9 0x67 0x2b;
    0x33 0x3e 0x96;
    0xcc 0x35 0x43;
    0x49 0x1a 0x3b;
    0xa7 0xb2 0x13;
    0xe4 0x8b 0x19;
    0x1a 0x21 0x6e;
    0x57 0x81 0x23;
    0xbe 0x0a 0x19;
    0xfd 0xbf 0x0c;
    0xc4 0x3e 0x7e;
    0x1e 0x5d 0x93;
    0xd1 0xd5 0xd7;
    0xa0 0xa0 0xa0;
    0x68 0x5e 0x5e;
    0x2f 0x25 0x29];

w = want ./ 255.0
h = have ./ 255.0

for i = 1:size(h, 1)
    t = h(i,:);
    t2 = [
        t 0 0 0 0 0 0;
        0 0 0 t 0 0 0;
        0 0 0 0 0 0 t];

    if(exist("A", "var"))
        A = [A; t2];
    else
        A = t2;
    endif
endfor

for i = 1:size(w, 1)
    t = w(i,:)';
    if(exist("B", "var"))
        B = [B; t];
    else
        B = t;
    endif
endfor

xx = A \ B;
X = round([xx(1:3)'; xx(4:6)'; xx(7:9)'] .* 100)