The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  0  1  1  1  0  1  1  1  1  1  5  1  1  1  1 15  1  1  1  1  1  1  1  1 15  1  1  1  1  1  1 15  1  1  1  1  1  1  0  5 15  1  1  5  1  1 10  1  1  1  1  1  1  1  5  1 15  1  1  1 20  1  1  1  5  5  1  1  1  1 20  1
 0  1  1  7 14 18  0 16  7 14 18  1  0 14 18  1 16  7 21 12 23  1 21 12  5 19  1 19  5 19 17  5 16  8 12  1 16  2 15  1 21 12  1  0 24  4 10  7 20  1  1  1 21 17  1 10  1  1 16 19 21 15 17  0 17  1  5  1 14 17 12  1 10 23 12  1  1 20 20 22  0  1  7
 0  0 15  0 15 10  0 20 10 20  5 15 10  0 15 15 15  0  5  0  5  0 20 10 20 10 10  5 10  5 20  5  0 15 20  0 15  5 15 10  5 15 10 20  5 10 15 20 10 20 15 20 10  5 20  0  5 10  0 20 20 15 10  5 10 15  0  5  0  5  0 10 15  5 10  5 15 20  5 15  5  5 15
 0  0  0  5 15  5 10 15  0 10 15  5 10 15  5 15 20 10  5 20 10 20 20 20 10  5 15 15 15 20 20 20  0 10  0 15 10  5  5 20 15  0  0 15  5 20 15 10  0  0 10 20 15 10 10 20  0  5  5  5  5 20 10  0  0 20  5  5 20 20  5 10 10  5  5 20  0  0 15 15 20 15 10

generates a code of length 83 over Z25 who´s minimum homogenous weight is 320.

Homogenous weight enumerator: w(x)=1x^0+1364x^320+400x^322+360x^323+2532x^325+560x^327+420x^328+1904x^330+420x^332+1080x^333+1880x^335+880x^337+640x^338+1512x^340+240x^342+1224x^345+164x^350+8x^355+8x^360+4x^365+8x^370+4x^375+4x^380+8x^385

The gray image is a code over GF(5) with n=415, k=6 and d=320.
This code was found by Heurico 1.16 in 33.5 seconds.