The generator matrix

 1  1  1  1  1  1  1  1  2  2  1  1  1  2  2  1  4  0  2  4  8  2  1
 0 12  8  4  0 12  8  4 12  4  0  8 12  0  8  4 12  4 12  4  4  4  0

generates a code of length 23 over Z16 who´s minimum homogenous weight is 22.

Homogenous weight enumerator: w(x)=1x^0+2x^22+52x^23+2x^24+4x^25+1x^26+1x^28+1x^30

The gray image is a code over GF(2) with n=184, k=6 and d=88.
This code was found by Heurico 1.16 in 0.00467 seconds.