The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  2  1  1  1  1  1  1  1  1  1
 0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4
 0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  0  0
 0  0  0  4  0  0  0  0  0  0  0  0  0  0  4  4  4  4  0  0  0  4  4  4  4
 0  0  0  0  4  0  0  0  0  0  0  0  0  4  4  4  0  4  4  0  4  4  0  0  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  0  4  0  4  4  0  4  0  4  4
 0  0  0  0  0  0  4  0  0  0  0  0  4  0  4  0  4  4  4  0  4  0  0  0  4
 0  0  0  0  0  0  0  4  0  0  0  0  4  0  0  4  0  4  4  4  0  4  0  4  0
 0  0  0  0  0  0  0  0  4  0  0  0  4  0  4  4  0  4  0  4  4  0  4  4  0
 0  0  0  0  0  0  0  0  0  4  0  0  4  4  4  0  4  0  0  0  4  4  4  4  0
 0  0  0  0  0  0  0  0  0  0  4  0  4  4  0  0  4  4  0  4  0  0  4  4  0
 0  0  0  0  0  0  0  0  0  0  0  4  4  4  0  4  4  0  4  4  4  0  0  0  0

generates a code of length 25 over Z8 who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+77x^14+242x^16+240x^18+160x^20+520x^22+1024x^23+928x^24+10240x^25+672x^26+1024x^27+320x^28+394x^30+357x^32+112x^34+32x^36+32x^38+8x^40+1x^46

The gray image is a code over GF(2) with n=100, k=14 and d=28.
This code was found by Heurico 1.16 in 3.35 seconds.