The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  2  1
 0 12  0  4  0  0  4 12  0  0  4 12  0  0  4 12  8  8 12  4  8  8 12  4  8  8 12  4  8  8 12  4  8  4 12  0  4  4 12  8  0  4  4  4  0  0  8  8 12  4  8  0 12 12  8 12  0 12 12  4  0  0  8  8  0  8  4 12  0  0 12 12  0  4  4  8  4  8  0 12  0  4  4
 0  0 12  4  0 12  4  0  8  4 12  8  8  4 12  8  8  4 12  8  8  4 12  8  0 12  4  0  0 12  4  0  4  4  0 12  8 12  0  4 12  8  4 12  0  8  8  0  8  0 12  4 12  4 12 12  4  4  8  0  0  8  8  0  0  4  4  0  0 12  4  8  8  4  8  8 12  4  4  0  8 12  8
 0  0  0  8  8  8  0  8  8  8  8  8  0  0  0  0  0  0  0  0  8  8  8  8  8  8  8  8  0  0  0  0  0  0  8  0  8  0  0  8  8  0  8  8  8  8  8  8  8  8  8  8  8  8  0  0  0  0  0  0  0  0  0  0  0  0  0  8  8  8  8  0  8  8  8  0  0  0  8  0  0  8  0

generates a code of length 83 over Z16 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+18x^80+28x^81+47x^82+332x^83+46x^84+18x^85+8x^86+4x^87+7x^88+1x^98+2x^117

The gray image is a code over GF(2) with n=664, k=9 and d=320.
This code was found by Heurico 1.16 in 0.503 seconds.