The generator matrix

 1  0  1  1  1  8  1  1  6  1  1  1  1  1  1  2  1 14  1  1
 0  1  1  4  3  1  0 15  1 10  5  3  6  0  1 14  7  1  8  4
 0  0  2 10  8 10 12 14  0  6  8 12  0  6  4 10  2 10 10  4

generates a code of length 20 over Z16 who´s minimum homogenous weight is 17.

Homogenous weight enumerator: w(x)=1x^0+68x^17+290x^18+404x^19+590x^20+348x^21+249x^22+60x^23+17x^24+16x^25+4x^26+1x^30

The gray image is a code over GF(2) with n=160, k=11 and d=68.
This code was found by Heurico 1.16 in 0.0174 seconds.