The generator matrix

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

generates a code of length 24 over Z16 who´s minimum homogenous weight is 21.

Homogenous weight enumerator: w(x)=1x^0+12x^21+26x^22+174x^24+16x^25+16x^26+4x^29+6x^30+1x^32

The gray image is a code over GF(2) with n=192, k=8 and d=84.
This code was found by Heurico 1.16 in 0.0522 seconds.