The generator matrix

 1  1  1  1  1  1  1  1  2  2  2  0  4  1  0  1  1  2  1  2  1  1  1  1  1
 0  2  0  2  0  0  2  6  0  2  2  2  2  4  0  0  2  2  2  0  4  0  2  0  0
 0  0  2  2  0  6  2  0  2  2  0  4  2  0  2  6  2  2  2  6  2  0  6  0  0
 0  0  0  4  0  0  0  0  0  0  0  4  0  4  0  4  0  0  4  4  0  0  4  0  0
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  4  4  0  4  0  4  4  4  0  0
 0  0  0  0  0  4  0  0  0  0  0  4  4  4  0  0  4  0  4  0  4  0  0  0  0
 0  0  0  0  0  0  4  0  0  0  0  4  0  4  4  0  0  4  4  4  0  4  0  4  0
 0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  0  0  0  4  4  4  0  4  4  0
 0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  4  4  4  0  4  4  0
 0  0  0  0  0  0  0  0  0  4  0  0  4  0  4  4  4  0  4  4  0  0  0  0  0
 0  0  0  0  0  0  0  0  0  0  4  4  0  0  4  4  4  4  0  0  4  4  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+46x^14+34x^15+154x^16+110x^17+340x^18+414x^19+768x^20+1466x^21+2322x^22+3652x^23+4560x^24+5052x^25+4536x^26+3628x^27+2336x^28+1444x^29+818x^30+442x^31+333x^32+118x^33+116x^34+22x^35+32x^36+2x^37+14x^38+8x^40

The gray image is a code over GF(2) with n=100, k=15 and d=28.
This code was found by Heurico 1.16 in 7.16 seconds.