The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+34x^17+281x^18+1032x^19+3073x^20+6918x^21+13468x^22+15768x^23+13745x^24+6974x^25+2902x^26+952x^27+299x^28+58x^29+20x^30+8x^31+2x^32+1x^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 9.18 seconds.