The generator matrix

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

generates a code of length 90 over Z25 who´s minimum homogenous weight is 344.

Homogenous weight enumerator: w(x)=1x^0+3020x^344+972x^345+7400x^349+2480x^350+12060x^354+2804x^355+13060x^359+3504x^360+12120x^364+2676x^365+9260x^369+1896x^370+4540x^374+1016x^375+1040x^379+228x^380+8x^385+20x^390+8x^395+4x^400+4x^405+4x^410

The gray image is a code over GF(5) with n=450, k=7 and d=344.
This code was found by Heurico 1.16 in 145 seconds.