The generator matrix

 1  0  1  1  1 12  1  2  1  1 14  1  1 12  1  1  1  2  1  1  8  6  2  1
 0  1  1  0 11  1  6  1 13 10  1  3  2  1  9  0  3  1 15  6  2  1  2  8
 0  0  2  6  0  2  0 14  8  2  4 14 14  4  0 14 10  2 12 12  6  8  6  0
 0  0  0 12  0  0  4  4  4  8 12  4  8  4  0 12 12  4  8  0  4  0 12  4
 0  0  0  0 12 12  4  8  8 12  4  4  4  8  8 12  0 12  4  4  0 12  8  0

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

Homogenous weight enumerator: w(x)=1x^0+47x^18+236x^19+598x^20+1566x^21+3674x^22+6450x^23+7687x^24+6310x^25+3805x^26+1592x^27+508x^28+194x^29+56x^30+26x^31+6x^32+10x^33+2x^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 3.28 seconds.