The generator matrix

 1  0  1  1  1  6  1  1  0  1  1 14  1  1  8  1  1  0  1  1  1  1  1  2  1
 0  1 11  6  1  1  8  5  1  3  0  1 11  6  1  6  3  1  6  5  0  5 14 10 14
 0  0 12  0  0  0  0  0  0  0  0  8  8 12 12  4 12  4  4  4  8  8  0  4  4
 0  0  0 12  0  0  0  0  4  4 12 12 12  4 12 12 12  0  8  8  4  8  8  8  4
 0  0  0  0  4  0  8  4  0  4  8  8 12  0  4  4  0  4  4  0  8  0 12  0 12
 0  0  0  0  0 12 12  4 12  8 12  8 12  8  0  4  8  8  0  4 12  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+168x^18+44x^19+637x^20+724x^21+3148x^22+6692x^23+13432x^24+15804x^25+13476x^26+6676x^27+3195x^28+748x^29+596x^30+28x^31+135x^32+4x^33+20x^34+7x^36+1x^44

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 13.6 seconds.