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

generates a code of length 80 over Z16 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+6x^76+134x^77+26x^78+264x^79+180x^80+244x^81+36x^82+104x^83+4x^84+22x^85+1x^88+1x^90+1x^130

The gray image is a code over GF(2) with n=640, k=10 and d=304.
This code was found by Heurico 1.16 in 0.459 seconds.