The generator matrix

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

generates a code of length 23 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+138x^18+112x^19+534x^20+868x^21+1112x^22+2640x^23+1192x^24+888x^25+442x^26+96x^27+126x^28+4x^29+36x^30+3x^32

The gray image is a code over GF(2) with n=184, k=13 and d=72.
This code was found by Heurico 1.16 in 0.421 seconds.