The generator matrix

 1  0  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  5  1  1  1  1  5  1  1 15  1  1  1  1  1  1  1  1  1  1  1  1  1 10 10  1  1  1  1  1 15  1  1  1  1  1  0  1 15  1  1  1  1  1  1  1  1  1  5  1  1  1  1  1  1  1  1  1  5  1  1  1  1 10  1  1  1  1  0
 0  1  1  7 14 18  0 16  7  1 14 18  5 12 19  5 16 23  1 21 12 19 23  1  1  4  1  0  7 18 15 22  8 15 22  8 21  6  9  4  1  1  5 17  8  6  9  1 17 10 21 19 23  1  4  1 15 16 17  3 10  1 22  3 24  1 20  6  5 20 20  2 10 14  3  1 14 18 16 17  1 24  6  2 23  1
 0  0 15 10  5  0 20 10  5 10 15 20 10 15 20  5  0 15 20  5 20  0 10 15 20 10  5 15  0  5 20  5  0  5 20 10 10 15  0  5  0 10  0 10 15  0 20 15 15 15 20 10  5  5 15 20 10  5  0 20  0  0 15  5 10  0 20 10 15  5 10  5 20  0 15 10 20 10 15 20  5  5 20 10  0 15

generates a code of length 86 over Z25 who´s minimum homogenous weight is 338.

Homogenous weight enumerator: w(x)=1x^0+600x^338+256x^340+1300x^343+300x^345+300x^348+4x^350+100x^353+200x^358+60x^360+4x^365

The gray image is a code over GF(5) with n=430, k=5 and d=338.
This code was found by Heurico 1.16 in 0.118 seconds.