The generator matrix

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

generates a code of length 23 over Z16 who´s minimum homogenous weight is 21.

Homogenous weight enumerator: w(x)=1x^0+18x^21+125x^22+77x^24+12x^25+18x^26+2x^28+2x^29+1x^30

The gray image is a code over GF(2) with n=184, k=8 and d=84.
This code was found by Heurico 1.16 in 0.0491 seconds.