The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+60x^18+92x^19+257x^20+548x^21+1329x^22+2846x^23+8231x^24+10980x^25+17000x^26+10562x^27+8457x^28+3056x^29+1217x^30+498x^31+252x^32+68x^33+39x^34+18x^35+18x^36+4x^37+2x^38+1x^42

The gray image is a code over GF(2) with n=208, k=16 and d=72.
This code was found by Heurico 1.16 in 13.6 seconds.