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  1  1  1 10 10  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  5  1  1  1  1 10  1  5  1  1  1  1  1 10  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  5 17  8  1  1  6  9  1 17 10 21 19 23  1  4  1 15 16 17  3 10  1 22  3 24  1 20  6  2  3 14  1  2 11  5 18  1 20 20 24  1  9 22  8  1  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 15  0 10  0 20 15 15 15 20 10  5  5 15 20 10  5  0 20  0  0 15  5 10  0 20 10  5 15 20 10 10 20 15 10 15  5 20  0  5 15  0 20  5 15

generates a code of length 86 over Z25 who´s minimum homogenous weight is 339.

Homogenous weight enumerator: w(x)=1x^0+1000x^339+316x^340+1000x^344+160x^345+200x^349+64x^350+100x^354+60x^355+200x^359+20x^360+4x^365

The gray image is a code over GF(5) with n=430, k=5 and d=339.
This code was found by Heurico 1.16 in 21.2 seconds.