The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+153x^18+370x^19+916x^20+1810x^21+3863x^22+5704x^23+7058x^24+5848x^25+3831x^26+1826x^27+920x^28+274x^29+121x^30+36x^31+33x^32+4x^33

The gray image is a code over GF(2) with n=192, k=15 and d=72.
This code was found by Heurico 1.16 in 4.73 seconds.