The generator matrix

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

generates a code of length 75 over Z25 who´s minimum homogenous weight is 287.

Homogenous weight enumerator: w(x)=1x^0+320x^287+640x^288+112x^290+1840x^292+1780x^293+220x^295+1300x^297+1640x^298+188x^300+1660x^302+1400x^303+4x^305+1820x^307+1460x^308+16x^310+560x^312+580x^313+28x^315+12x^320+12x^325+8x^335+4x^340+12x^345+8x^350

The gray image is a code over GF(5) with n=375, k=6 and d=287.
This code was found by Heurico 1.16 in 1.51 seconds.