The generator matrix

 1  0  1  1  1 14  1  1  6  1  8  1  1  1 12  1  2  1  1  1  1  1  8
 0  1 11 14  5  1  0  3  1  6  1 13 15  4  1 10  1  7  0 14  8  3  1
 0  0 12  4  0  4 12  0  8  8 12  4  0  4  0  0  4  4  0  4 12  8  4
 0  0  0  8  0  0  0  0  8  0  0  8  8  0  8  0  0  8  0  8  0  8  0
 0  0  0  0  8  0  0  0  0  8  8  8  8  0  8  0  8  8  8  0  8  8  8
 0  0  0  0  0  8  0  0  0  0  8  0  0  8  0  8  8  8  0  0  0  8  8
 0  0  0  0  0  0  8  0  8  0  0  8  8  8  0  0  8  0  8  8  8  8  0
 0  0  0  0  0  0  0  8  0  8  8  8  0  8  0  8  0  0  8  0  0  0  8

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

Homogenous weight enumerator: w(x)=1x^0+49x^16+274x^18+256x^19+1551x^20+2560x^21+8882x^22+5632x^23+8872x^24+2560x^25+1574x^26+256x^27+248x^28+22x^30+30x^32+1x^36

The gray image is a code over GF(2) with n=184, k=15 and d=64.
This code was found by Heurico 1.16 in 2.55 seconds.