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

generates a code of length 85 over Z16 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+29x^80+92x^81+135x^82+272x^83+390x^84+372x^85+312x^86+172x^87+90x^88+64x^89+48x^90+52x^91+18x^92+1x^162

The gray image is a code over GF(2) with n=680, k=11 and d=320.
This code was found by Heurico 1.16 in 0.657 seconds.