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  1  1  1
 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 10  1 22 24  5  6 10 16  0
 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  0  0 15 10 15 10  5 15 10

generates a code of length 68 over Z25 who´s minimum homogenous weight is 265.

Homogenous weight enumerator: w(x)=1x^0+76x^265+260x^266+200x^267+560x^268+364x^270+480x^271+200x^272+240x^273+60x^275+100x^276+40x^278+64x^280+120x^281+100x^282+160x^283+52x^285+40x^286+4x^290+4x^295

The gray image is a code over GF(5) with n=340, k=5 and d=265.
This code was found by Heurico 1.16 in 0.0583 seconds.