The generator matrix

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

generates a code of length 77 over Z25 who´s minimum homogenous weight is 285.

Homogenous weight enumerator: w(x)=1x^0+156x^285+140x^286+60x^288+364x^290+1760x^291+860x^293+496x^295+4160x^296+2360x^298+464x^300+7120x^301+4660x^303+316x^305+11240x^306+7360x^308+296x^310+13400x^311+7200x^313+208x^315+8880x^316+2500x^318+164x^320+3080x^321+168x^325+220x^326+148x^330+140x^335+88x^340+40x^345+52x^350+16x^355+8x^360

The gray image is a code over GF(5) with n=385, k=7 and d=285.
This code was found by Heurico 1.16 in 13.9 seconds.