The generator matrix

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

generates a code of length 67 over Z25 who´s minimum homogenous weight is 252.

Homogenous weight enumerator: w(x)=1x^0+920x^252+1000x^253+220x^254+480x^255+240x^256+4280x^257+2960x^258+1240x^259+1424x^260+500x^261+7120x^262+4520x^263+1660x^264+1812x^265+680x^266+8840x^267+5260x^268+1880x^269+2260x^270+360x^271+8660x^272+5000x^273+1700x^274+1608x^275+540x^276+5760x^277+2840x^278+800x^279+472x^280+180x^281+1920x^282+920x^283+24x^285+8x^290+12x^295+8x^300+4x^310+12x^315

The gray image is a code over GF(5) with n=335, k=7 and d=252.
This code was found by Heurico 1.16 in 10.7 seconds.