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  2  0  1  1  2 12  1  1  1  1  1  2  0  2 12  2  2  2  2  2  8  2  4  2  8  2  4  2  2  1  2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  0  0  4  8  4  4  2  2  1
 0  2 12  6  0  6 12 10  8 14  4 10  8 14  4  2  0  6 12 10  0  6 12 10  8  6  2 14  4 10  2  2  8 14  4  2  6  2 10  2  0 12 14  8  4  2  2  2 14  2  2  2  0 12 12  4  8  0  0 12  8  4  8  4  6 10  6 10 14  2 14  2 12  4  4 12  0  0  8 10 10  0
 0  0  8  8  8  0  0  8  8  8  0  0  0  0  8  8  0  0  8  8  8  8  0  0  8  0  8  8  0  8  0  0  0  0  8  8  8  0  0  8  8  8  8  8  8  8  0  0  0  0  8  8  0  0  0  0  0  8  0  8  8  0  0  8  0  8  8  0  8  0  0  8  8  0  8  0  8  8  0  0  8  0

generates a code of length 82 over Z16 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+4x^80+142x^81+10x^82+44x^83+11x^84+30x^85+5x^86+8x^87+1x^98

The gray image is a code over GF(2) with n=656, k=8 and d=320.
This code was found by Heurico 1.16 in 0.472 seconds.