The generator matrix

 1  0  1  1  1  4  1 14  1  2  1  1  1 14  1  2  1  2  1  6  1  4  8  1
 0  1  1  0 11  1 14  1 15  1  5 10  4  1  9 10 11 14  8  1  2  1  2 15
 0  0  2  6  0  2  8  0 10  6  0  6  2  4 10  2  0  2  0  4 14 14 14  2
 0  0  0 12  0  4  0  0 12  4  8 12  4  0  8  8 12  0  4 12  0  8  0  4
 0  0  0  0 12  4  4 12  8  0  8  4  4  8  4 12  8  8  0 12  4 12 12  0
 0  0  0  0  0  8  0  8  8  8  0  8  0  8  0  8  8  0  0  0  0  8  8  8

generates a code of length 24 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+252x^18+312x^19+1648x^20+2532x^21+7820x^22+12556x^23+15352x^24+12360x^25+7944x^26+2736x^27+1512x^28+212x^29+236x^30+12x^31+47x^32+4x^34

The gray image is a code over GF(2) with n=192, k=16 and d=72.
This code was found by Heurico 1.16 in 12.2 seconds.