The generator matrix

 1  0  0  0  1  1  1  0  1 12 10  1  6  1  1  1 12  1 14  1  4  1  1
 0  1  0  0  2  9  9  1  0  2  1 13  1 14  1  0  1  4 12  9  1  5 10
 0  0  1  0  3  1  2  3  7  1  7  3  0  6  4 10  5  6  2  2  6 15  6
 0  0  0  1  1  4  3  7 10  3  2  5  5 15  2  6  6 13  1  6  8  2  2
 0  0  0  0  4  0 12 12  8  4  0 12  8  0  4  4 12  8 12  0  4 12  4

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

Homogenous weight enumerator: w(x)=1x^0+116x^17+1034x^18+4278x^19+12174x^20+29754x^21+50054x^22+66552x^23+50876x^24+30472x^25+11728x^26+3814x^27+1038x^28+170x^29+62x^30+12x^31+7x^32+2x^34

The gray image is a code over GF(2) with n=184, k=18 and d=68.
This code was found by Heurico 1.16 in 147 seconds.