The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  4  1  4  4  2  4  1
 0 12  0  0  0  4 12  4  8  8  4 12  4  8  4  4  8  8  8  0  0  4  4  4
 0  0 12  0  4  4 12  0  0 12  4  8  4  8  8  4 12  0 12  4 12 12 12  0
 0  0  0 12  4  0 12  4  4  8 12  8 12  0 12  0  4  4  4 12  0  8  8  8
 0  0  0  0  8  0  0  8  0  0  8  8  8  8  0  0  8  0  0  8  8  0  0  0
 0  0  0  0  0  8  0  8  8  8  0  8  8  0  0  8  8  0  0  8  0  8  0  0
 0  0  0  0  0  0  8  0  8  0  0  0  8  0  8  8  0  8  0  8  0  8  0  8

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

Homogenous weight enumerator: w(x)=1x^0+139x^18+16x^19+381x^20+336x^21+997x^22+1184x^23+2087x^24+1184x^25+1035x^26+336x^27+325x^28+16x^29+127x^30+20x^32+6x^34+2x^36

The gray image is a code over GF(2) with n=192, k=13 and d=72.
This code was found by Heurico 1.16 in 7.04 seconds.