The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+118x^17+444x^18+1008x^19+3368x^20+6768x^21+13022x^22+15946x^23+13185x^24+6822x^25+3392x^26+948x^27+335x^28+116x^29+38x^30+18x^31+6x^32+1x^36

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 10.8 seconds.