The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  2  2  1  1
 0 12  0  0  0  4 12  4  8  0  4  0  8  4  4  4  4  0 12  8  8  4  8
 0  0 12  0  4  4 12  0  0  4  8  0 12 12  8  4  4  4  8 12 12  4  0
 0  0  0 12  4  0 12  4  4  8  0  8  4  4  4  8  8  4  4 12  4  0  4
 0  0  0  0  8  0  0  8  0  8  8  0  0  0  0  8  0  0  8  0  8  8  0
 0  0  0  0  0  8  0  8  8  8  0  8  8  0  8  8  0  0  0  8  0  0  0
 0  0  0  0  0  0  8  0  8  8  8  0  0  0  0  0  0  8  8  8  8  0  0

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

Homogenous weight enumerator: w(x)=1x^0+37x^16+92x^17+81x^18+88x^19+273x^20+260x^21+628x^22+5280x^23+631x^24+228x^25+294x^26+120x^27+70x^28+60x^29+20x^30+16x^31+10x^32+1x^34+1x^36+1x^40

The gray image is a code over GF(2) with n=184, k=13 and d=64.
This code was found by Heurico 1.16 in 0.338 seconds.