The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  5  1  1  1  1  1  1  1  1  1  5  1  1  1  5  1  1  1
 0  5  0  0  0  0  0  5  5 20 10 15 20 15 15 15 10 10  0  0 10 10 15 15 10 10 10  0  0 10 15 20 15 15  0 10 15 20  5 10 15 20 20 20 20 10  5 15 10  5 20 10 10 20  0 15  0  5  0 15 10  5 15 15  0  5 10 20  5  5  0  5  0 10  0  5 10 20  5 15  0  5  5  5  0  0
 0  0  5  0  0  5  5 15 20 15  0  5 10 10 20  0 20  5  5  0  5 15  5 15 20  0 10 10 10  5 20 20  5 15 15 20 10 20  5  0  0 20  5  0  5 15 20 15 20  0 20 20  5  0 20 10  0  0 15  0  5  0 10  5 15 20 10 20 10 10  0  0 10 10 10 20 10 15 20  0 20 20  5 20 20  0
 0  0  0  5  0 15 10 15  5  5 20  5  0  5 10  5  5 10 15 10  5  0  5 20 15 10 20 10 15 10 10 20  0 10 15  0 10 15  0  5  5 15 10 20 15  5 20 10 10 20 20 10 15 10 15 15  0 20 15 15 20 15 10  0 10  0 10  0 20 15 15 15  5  5 10 20  5 20 10  0  0  0 20  5  5 20
 0  0  0  0  5 15  5 20 15  5 15 20 10  0  0  5  0 15 10  5  5 20  5 10  0 20  0 20  5 20  5 10 20 15 10 10 20 15 20 20 20  5 20 20  5 20  5  5 10 15  5 15 15 20  5 10 15  5 20 20  0  0  0  0 10  0  0 15 20  0  5 15 20 10  5 10  5 15  5  5 10 20 10 20 20 10

generates a code of length 86 over Z25 who´s minimum homogenous weight is 320.

Homogenous weight enumerator: w(x)=1x^0+144x^320+364x^325+456x^330+100x^332+432x^335+1200x^337+336x^340+4800x^342+296x^345+6400x^347+228x^350+156x^355+200x^360+136x^365+144x^370+60x^375+68x^380+48x^385+24x^390+16x^395+12x^400+4x^415

The gray image is a code over GF(5) with n=430, k=6 and d=320.
This code was found by Heurico 1.16 in 1.52 seconds.