The generator matrix

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

generates a code of length 78 over Z25 who´s minimum homogenous weight is 295.

Homogenous weight enumerator: w(x)=1x^0+408x^295+920x^296+320x^297+1100x^298+800x^299+3184x^300+2800x^301+620x^302+1880x^303+1200x^304+5500x^305+4120x^306+960x^307+2320x^308+1620x^309+6960x^310+4900x^311+1020x^312+2620x^313+1540x^314+6640x^315+4400x^316+1180x^317+2620x^318+1460x^319+5400x^320+3680x^321+720x^322+1620x^323+680x^324+2284x^325+1500x^326+180x^327+340x^328+200x^329+208x^330+180x^331+4x^335+8x^340+20x^345+4x^350+4x^360

The gray image is a code over GF(5) with n=390, k=7 and d=295.
This code was found by Heurico 1.16 in 11.7 seconds.