The generator matrix

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

generates a code of length 90 over Z25 who´s minimum homogenous weight is 346.

Homogenous weight enumerator: w(x)=1x^0+180x^346+840x^347+156x^350+1040x^351+1860x^352+164x^355+1340x^356+2280x^357+124x^360+720x^361+1800x^362+76x^365+700x^366+2120x^367+40x^370+800x^371+900x^372+16x^375+220x^376+200x^377+12x^385+12x^390+8x^395+4x^405+12x^410

The gray image is a code over GF(5) with n=450, k=6 and d=346.
This code was found by Heurico 1.16 in 4.15 seconds.