The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  5  0  0  5  5  0  5 10 20 15 20  0 10 20 20  5 10 10  5 15 15  5 15 20  0  0  5 10 10 20 10 10 20  0  5 20 20 15 15 15  5 15  0 20 15 15 10 20  5 10  0 20  5 10 15  0 10  5 20  0 15 20  0  5  0 10 20 10 15 20  0 15  0  5  0  5 20 15 20 15 20  0  5 10  5 20  5  0
 0  0  5  0 15 10  5 20  0  5  5  5 15 10  0 10 15  5 10 20  0 15 10 15 10 20 20  5 20 20  0  5  5 15 15 10  0 15  0 10 15 15  5 15  5 20 10 15 20  0 10 20 20  5 15 20 10  0 20 20 10 20 10 10  0  0  0 20 15 10  0 15 10 10 15 20  5  5  5 10 15  0  0  0 20  0 15 20  5
 0  0  0  5 15  5 20 15 15 15  0  5  5  0 15  5 10 10 15  0 20  5 15 15  0 20  0  5 15 20 20 20  5 20 20  0  5 15  0 15 20  0 20 10  0 10 10 10  0  5 10 10 10 10  5 15 10 20 10 20  5  0 15 20 15 15  0 15 20 20 10 15  5 15  5  5  0 20  5 20  0  0 20 10  0 20  5  5 15

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

Homogenous weight enumerator: w(x)=1x^0+92x^345+220x^350+116x^355+2500x^356+48x^360+48x^365+56x^370+12x^375+16x^380+4x^385+4x^390+4x^400+4x^445

The gray image is a code over GF(5) with n=445, k=5 and d=345.
This code was found by Heurico 1.16 in 0.167 seconds.