The generator matrix

 1  0  1  1  1 14  1  1  8  1  1  6  1  8 14 10 12  1  1  1  1  1  1  1  1
 0  1 11  6  5  1 13  0  1  2  3  1  6  1  1  1  1  3  8  5  7  4  6  1  0
 0  0 12  0  0  8  0 12 12  4  4  4  0  8  4  8  4  8  8  4  0 12 12  4  0
 0  0  0 12  8 12  4 12  8  0  4 12  0 12  8  8  4  0 12 12  4  8  4  0  0

generates a code of length 25 over Z16 who´s minimum homogenous weight is 21.

Homogenous weight enumerator: w(x)=1x^0+24x^21+258x^22+472x^23+1300x^24+80x^25+1270x^26+400x^27+216x^28+24x^29+6x^30+24x^31+19x^32+2x^34

The gray image is a code over GF(2) with n=200, k=12 and d=84.
This code was found by Heurico 1.16 in 0.0706 seconds.