The generator matrix

 1  0  1  1  1 14  1  1  0  1  1  6  1  4  1  1  2 12  1  4  1  1  2
 0  1 11 14  5  1  0  3  1  6 13  1  4  1  7  9 14  1 14  8  3  7  8
 0  0 12  4  0  4 12  0 12  8 12  0 12  4  4  0  4  0  4  4  0 12  4
 0  0  0  8  0  0  0  0  0  0  8  0  0  8  8  0  0  0  8  8  8  0  8
 0  0  0  0  8  0  0  0  0  8  0  0  8  0  0  8  8  8  8  0  8  0  0
 0  0  0  0  0  8  0  0  0  0  0  0  0  8  0  8  8  0  8  8  0  8  8
 0  0  0  0  0  0  8  0  0  0  8  8  8  0  8  0  8  0  8  0  0  8  0
 0  0  0  0  0  0  0  8  0  8  0  8  8  8  0  8  0  8  0  8  0  0  0
 0  0  0  0  0  0  0  0  8  0  0  0  0  8  8  0  8  8  8  0  8  8  0

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

Homogenous weight enumerator: w(x)=1x^0+182x^16+16x^17+608x^18+800x^19+3828x^20+7664x^21+11680x^22+15808x^23+11936x^24+7664x^25+3744x^26+800x^27+648x^28+16x^29+96x^30+41x^32+4x^36

The gray image is a code over GF(2) with n=184, k=16 and d=64.
This code was found by Heurico 1.16 in 18.3 seconds.