The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+72x^18+222x^19+366x^20+774x^21+1464x^22+2358x^23+1553x^24+796x^25+278x^26+186x^27+96x^28+14x^29+9x^30+2x^31+1x^38

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 0.283 seconds.