The generator matrix

 1  1  1  1  1  1  1  1  1  1  2  1  1  1  2  4  2  2  1 12  2  2  2 12  1
 0  2  0  0  0  8  8  8  8  2 14 10 14  6 12  4  6  6 10 12  2  0  2  2  0
 0  0  2  0  0 12  6  2  2  2  4 14  4 10  0  2  2 12  2  4 12  6 14  0  0
 0  0  0  2  0  6  6  6  4  0 12  2  2 10 12  4  6  0  8  2  2  6  2  4  8
 0  0  0  0  2  2  4  6  2  8 10 10 14  4 10 12 10 12  6 12  8  8  0 12  8

generates a code of length 25 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+68x^18+352x^19+804x^20+1922x^21+3749x^22+7772x^23+11023x^24+14084x^25+10992x^26+8016x^27+3718x^28+1858x^29+765x^30+260x^31+98x^32+40x^33+10x^34+4x^36

The gray image is a code over GF(2) with n=200, k=16 and d=72.
This code was found by Heurico 1.16 in 17.5 seconds.