The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+72x^18+76x^19+189x^20+372x^21+1166x^22+1380x^23+5167x^24+3274x^25+9306x^26+3298x^27+5208x^28+1426x^29+1190x^30+354x^31+167x^32+46x^33+38x^34+10x^35+19x^36+2x^37+4x^38+2x^39+1x^40

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 5.88 seconds.