The generator matrix

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

generates a code of length 23 over Z16 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+85x^16+150x^17+337x^18+746x^19+1505x^20+3318x^21+6228x^22+7930x^23+6341x^24+3386x^25+1464x^26+718x^27+343x^28+114x^29+64x^30+14x^31+13x^32+8x^33+3x^34

The gray image is a code over GF(2) with n=184, k=15 and d=64.
This code was found by Heurico 1.16 in 4.66 seconds.