The generator matrix

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

generates a code of length 20 over Z16 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+59x^16+298x^17+384x^18+892x^19+810x^20+1012x^21+326x^22+192x^23+72x^24+34x^25+8x^26+4x^27+2x^28+2x^30

The gray image is a code over GF(2) with n=160, k=12 and d=64.
This code was found by Heurico 1.16 in 0.0715 seconds.