The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+102x^18+414x^19+1027x^20+1902x^21+3282x^22+6540x^23+5911x^24+6868x^25+3574x^26+1830x^27+793x^28+310x^29+142x^30+48x^31+12x^32+8x^33+4x^34

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 4.46 seconds.