The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+74x^18+72x^19+286x^20+388x^21+811x^22+868x^23+791x^24+408x^25+248x^26+48x^27+68x^28+4x^29+19x^30+4x^31+6x^32

The gray image is a code over GF(2) with n=184, k=12 and d=72.
This code was found by Heurico 1.16 in 0.0951 seconds.