The generator matrix

 1  0  1  1  1  6  1  1  0  1  1 14  1  1  0  1  8 14  1  1  0  1  2
 0  1 11  6  1  1  8  5  1  3  0  1 11  6  1  0  1  1  5  3  0 12  0
 0  0 12  0  0  0  0  0  0  0  0  8  8 12  4  4 12 12  4  8  4  0  8
 0  0  0 12  0  0  0  0  4  4 12 12 12  4  8  4  8  4  0 12  0  8  8
 0  0  0  0  4  0  8  4  0  4  8  8 12  0  8 12  8 12 12  8  0 12  0
 0  0  0  0  0 12 12  4 12  8 12  8 12  8 12 12  0  0  8  4  8  4  8

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

Homogenous weight enumerator: w(x)=1x^0+141x^16+60x^17+664x^18+808x^19+3514x^20+6196x^21+15098x^22+12528x^23+15136x^24+6116x^25+3690x^26+872x^27+502x^28+44x^29+126x^30+34x^32+6x^34

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 11.3 seconds.