The generator matrix

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

generates a code of length 67 over Z25 who´s minimum homogenous weight is 257.

Homogenous weight enumerator: w(x)=1x^0+580x^257+820x^258+340x^259+192x^260+300x^261+2020x^262+1540x^263+340x^264+148x^265+260x^266+1780x^267+1220x^268+340x^269+124x^270+220x^271+1200x^272+920x^273+240x^274+24x^275+180x^276+880x^277+740x^278+240x^279+112x^280+40x^281+540x^282+260x^283+12x^285+8x^290+4x^295

The gray image is a code over GF(5) with n=335, k=6 and d=257.
This code was found by Heurico 1.16 in 0.409 seconds.