The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  1  1  1  5  1 15 10  1  1  1  1  1  1  1  1  1  1  1 20  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1 15  1 15  1  1 10  1  1  1 15  1  1  1 10  1  5  1  1  1  1  5  1  1  1 10 15  1  1  1 10  1  1  1  1 20  1  1  1
 0  1  0 15 10  5  1 22  8 16 11 21 14  7  1 12  1  1 18 11  9  3  4 17 13  0 24  2 13  1  6 23 10 17 12  8 24 10  4 20  1 16 19  1 19  2  3 17 20 10 18  1  5 24  1  3 14 11  1  8  0  7  1 21  1 19  7  2 17  1  7  6  5  0  1 20  6  9  1 15  1 11  3  1 14  6 13
 0  0  1 16  7 24  4 14 19 22  8  5 12 17 23 15  2  9 23  6 20 10 21 18 11  3  4  6  7 16 17 21 12 19 16  2 10 11 18  5 24 23  2  6 21 22 20 13 24  1  0 13 15  9  7  4 11 24  8  3 18  5 23 16  0 23 15  8 16 14  8  0 13  1 20  9  3  7 19 17 20  1 21  0 10 23 22

generates a code of length 87 over Z25 who´s minimum homogenous weight is 337.

Homogenous weight enumerator: w(x)=1x^0+900x^337+480x^338+620x^339+816x^340+500x^341+1660x^342+920x^343+660x^344+692x^345+420x^346+1060x^347+520x^348+440x^349+360x^350+300x^351+960x^352+500x^353+340x^354+340x^355+120x^356+760x^357+360x^358+260x^359+244x^360+80x^361+460x^362+220x^363+180x^364+172x^365+80x^366+200x^367

The gray image is a code over GF(5) with n=435, k=6 and d=337.
This code was found by Heurico 1.16 in 2.84 seconds.