The generator matrix

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

generates a code of length 26 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+39x^18+136x^19+217x^20+496x^21+795x^22+1900x^23+3659x^24+5492x^25+7077x^26+5878x^27+3469x^28+1982x^29+857x^30+386x^31+200x^32+90x^33+64x^34+18x^35+6x^36+2x^37+2x^39+2x^41

The gray image is a code over GF(2) with n=208, k=15 and d=72.
This code was found by Heurico 1.16 in 5.55 seconds.