The generator matrix

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

generates a code of length 89 over Z25 who´s minimum homogenous weight is 345.

Homogenous weight enumerator: w(x)=1x^0+964x^345+1000x^346+680x^348+2440x^350+1380x^351+700x^353+1660x^355+940x^356+460x^358+1196x^360+600x^361+360x^363+960x^365+540x^366+200x^368+676x^370+460x^371+100x^373+224x^375+80x^376+4x^385

The gray image is a code over GF(5) with n=445, k=6 and d=345.
This code was found by Heurico 1.16 in 0.61 seconds.