The generator matrix

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

generates a code of length 23 over Z16 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+69x^20+298x^21+525x^22+380x^23+428x^24+210x^25+85x^26+32x^27+6x^28+8x^29+6x^30

The gray image is a code over GF(2) with n=184, k=11 and d=80.
This code was found by Heurico 1.16 in 0.016 seconds.