The generator matrix

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

generates a code of length 80 over Z25 who´s minimum homogenous weight is 299.

Homogenous weight enumerator: w(x)=1x^0+1360x^299+1552x^300+1280x^301+760x^302+2140x^303+6040x^304+5448x^305+5540x^306+3220x^307+5780x^308+13040x^309+9900x^310+9140x^311+5140x^312+9060x^313+20460x^314+15736x^315+14440x^316+8140x^317+14340x^318+26860x^319+21168x^320+17380x^321+8420x^322+15520x^323+28240x^324+20100x^325+16540x^326+7940x^327+10860x^328+21200x^329+12528x^330+9120x^331+3460x^332+4400x^333+6740x^334+3836x^335+1560x^336+420x^337+400x^338+1060x^339+324x^340+12x^345+12x^350+4x^355+4x^360

The gray image is a code over GF(5) with n=400, k=8 and d=299.
This code was found by Heurico 1.16 in 499 seconds.