The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  2  1  2  2  8  2  1  2
 0  2  0  0  0  8  4 12  4  2 10  6 12  6  2 14 10 10 14  0  8  4 10
 0  0  2  0  0  8 14  2 10  2  4  2  0  4  8  2  6  6  0  2  4  8 10
 0  0  0  2  0  2 10 10  8  8  6  2  2  4  2 14  6  2  8 12  0  6  6
 0  0  0  0  2  2  8  2  6  0  2 14  4 10  4  6  4 12  4  6  6 10  4

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

Homogenous weight enumerator: w(x)=1x^0+262x^17+800x^18+1564x^19+3377x^20+6398x^21+12339x^22+15702x^23+12682x^24+6618x^25+3400x^26+1472x^27+597x^28+210x^29+67x^30+30x^31+15x^32+2x^34

The gray image is a code over GF(2) with n=184, k=16 and d=68.
This code was found by Heurico 1.16 in 16.6 seconds.