The generator matrix

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

generates a code of length 66 over Z25 who´s minimum homogenous weight is 258.

Homogenous weight enumerator: w(x)=1x^0+240x^258+200x^259+900x^260+520x^263+100x^264+376x^265+120x^268+200x^269+92x^270+40x^273+252x^275+80x^278+4x^305

The gray image is a code over GF(5) with n=330, k=5 and d=258.
This code was found by Heurico 1.16 in 0.237 seconds.