The generator matrix

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

generates a code of length 66 over Z25 who´s minimum homogenous weight is 240.

Homogenous weight enumerator: w(x)=1x^0+84x^240+20x^244+444x^245+600x^246+240x^248+420x^249+1204x^250+2540x^251+1040x^253+1280x^254+1576x^255+4960x^256+1840x^258+2080x^259+2984x^260+7960x^261+3840x^263+4080x^264+3920x^265+10960x^266+3940x^268+3260x^269+3640x^270+8060x^271+1600x^273+1360x^274+1136x^275+2420x^276+176x^280+168x^285+112x^290+112x^295+44x^300+8x^305+8x^310+4x^315+4x^320

The gray image is a code over GF(5) with n=330, k=7 and d=240.
This code was found by Heurico 1.16 in 11.5 seconds.