The generator matrix

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

generates a code of length 23 over Z16 who´s minimum homogenous weight is 17.

Homogenous weight enumerator: w(x)=1x^0+32x^17+64x^18+96x^19+219x^20+360x^21+750x^22+1080x^23+746x^24+352x^25+198x^26+96x^27+52x^28+24x^29+10x^30+8x^31+5x^32+2x^34+1x^36

The gray image is a code over GF(2) with n=184, k=12 and d=68.
This code was found by Heurico 1.16 in 1.82 seconds.