The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+171x^16+40x^17+628x^18+592x^19+3648x^20+6488x^21+12860x^22+16480x^23+13078x^24+6488x^25+3692x^26+592x^27+612x^28+40x^29+100x^30+22x^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 9.96 seconds.