The generator matrix

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

generates a code of length 69 over Z25 who´s minimum homogenous weight is 260.

Homogenous weight enumerator: w(x)=1x^0+524x^260+1300x^261+660x^262+400x^263+720x^264+3144x^265+3420x^266+2320x^267+720x^268+1360x^269+4736x^270+5140x^271+3680x^272+1240x^273+1580x^274+6108x^275+5040x^276+3140x^277+1160x^278+2300x^279+5852x^280+5540x^281+3300x^282+1080x^283+1120x^284+4052x^285+3340x^286+1700x^287+400x^288+420x^289+1128x^290+1220x^291+200x^292+16x^295+28x^300+20x^305+16x^310

The gray image is a code over GF(5) with n=345, k=7 and d=260.
This code was found by Heurico 1.16 in 10.2 seconds.