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

generates a code of length 74 over Z25 who´s minimum homogenous weight is 284.

Homogenous weight enumerator: w(x)=1x^0+1320x^284+480x^285+2680x^289+824x^290+2300x^294+492x^295+2820x^299+592x^300+2640x^304+540x^305+740x^309+148x^310+8x^315+8x^325+12x^330+8x^335+4x^340+4x^345+4x^355

The gray image is a code over GF(5) with n=370, k=6 and d=284.
This code was found by Heurico 1.16 in 2.94 seconds.