The generator matrix

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

generates a code of length 73 over Z25 who´s minimum homogenous weight is 280.

Homogenous weight enumerator: w(x)=1x^0+964x^280+440x^282+620x^283+2644x^285+400x^287+420x^288+2080x^290+660x^292+520x^293+2068x^295+720x^297+720x^298+2000x^300+280x^302+220x^303+796x^305+24x^310+12x^315+4x^320+16x^325+12x^330+4x^335

The gray image is a code over GF(5) with n=365, k=6 and d=280.
This code was found by Heurico 1.16 in 1.48 seconds.