The generator matrix

 1  0  1  1  1  1  1  1  1  0  1  1  1  1  1  0  1  1  5  1  1  1  1  1  1  1  1  1  1  0  1  1  1 10  1  5  1  5  1  1  1  1  1  1  1  1  5  1  1  1  5  1  1  1  1  1  1 20  1  1  1  1  1  1  1  1  1  1  1  1  1  1 20  1  1  1 20  1 10  1 15  1  0  1  1  1
 0  1  1  7 24 18 16  0  7  1 18 14  0 16 14  1  7 18  1  7 14  0 16 18 23 12  5 14 16  1  5 17  9  1  9  1 21  1 23  7 14 15  6 11 20 23  1 12 21  5  1  9 18 12 12  0 10  1  8 15 22 19  5  3  5 11  5 22 16 12  1 10  1 15 20 18  1 16  1 20  1  1  5  3 17  0
 0  0 15  0  0  0  0  5 10 15 10 15 10 20  0 10 10 10 10 15  5 10  0 10 10 15 15  5  5 15 20 15  0  5 20  5 10 10 20  0 15  0  5 20 20 20 10 20 10 20  5 10 20  0  0 10  0  0  0 10 15  0 10  0 10 20 20 20 20 20  0 10 10  5 15 10  5  5  0  0  5  5 20 20  5  0
 0  0  0  5  0  5 15 15  0 10 10 20 10 10 15  0 10  5  5  5  0 20 15 20  0 15 15  5 15  0 15  5 20  5  5 10 15 15  5 20  0 10 10 10 20 20 20 15 15  0  0  0 20  0 20  5 20 15 10 10  0 20  0 15  5  5 15 10  5  0 20 15  0 20  5 20  5 10 20 10 10  5 20 20 15  0
 0  0  0  0 15 15 10 20 20  5 20 20 10  0  0  0 15 10 15 10  5 10  5  5  5  0 20 20  5  5 15  5  5  5  5 10  5 10  0 20 20 20 20 15 20 10  0 10 15 20  5  0 15 15 15  5  5 20  5  5 10 15 15  0 15 20  5 10  0 15  0  0 10 15 10  0  0 15  0 10 20  5 20  0  5 10

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

Homogenous weight enumerator: w(x)=1x^0+164x^320+20x^322+280x^324+1212x^325+380x^327+1400x^329+3200x^330+940x^332+2740x^334+4608x^335+1980x^337+4520x^339+7524x^340+2680x^342+6020x^344+9420x^345+3560x^347+5540x^349+8356x^350+2300x^352+3720x^354+4456x^355+640x^357+780x^359+1072x^360+256x^365+80x^370+88x^375+80x^380+60x^385+20x^390+16x^395+8x^400+4x^405

The gray image is a code over GF(5) with n=430, k=7 and d=320.
This code was found by Heurico 1.16 in 15.8 seconds.