The generator matrix

 1  0  0  1  1  1  2  1  1  2  2  6  1  1  1  1  0  1  0  6  1  1  4  1  0  4  1  2  1  0  1  1  1  1  2  1  1  1  2  1  6  1  1  0  4  2  1  0  1  6  2  0  1  1  4  1  6  1  4  1  2  1  2  0  1  1  1  1  1  1  1
 0  1  0  1  0  3  1  1  7  6  1  1  6  4  2  3  1  6  1  0  3  4  1  1  2  1  2  1  5  1  2  5  6  5  1  1  0  6  1  0  1  5  7  2  6  4  3  1  3  1  1  6  2  1  1  5  4  0  1  5  6  7  1  4  6  6  5  6  7  2  2
 0  0  1  1  1  0  1  3  6  1  2  3  5  0  2  4  6  5  7  1  5  2  1  2  1  0  3  5  0  5  4  5  4  5  0  4  1  2  0  3  1  4  2  1  1  1  6  4  7  5  6  1  1  5  6  2  1  4  5  3  1  1  5  1  7  1  4  2  6  7  1
 0  0  0  2  0  6  0  6  2  0  4  0  4  4  0  2  4  0  4  2  2  4  0  4  4  6  6  6  0  6  6  4  6  4  2  2  6  6  4  4  6  6  0  6  6  6  4  6  6  6  6  2  4  4  4  2  2  0  0  2  0  0  4  4  6  6  6  4  4  2  4
 0  0  0  0  2  0  0  4  4  4  4  4  2  6  0  6  2  4  6  6  6  2  6  4  6  0  6  0  6  0  0  4  6  2  6  2  6  0  2  0  2  0  6  4  6  6  0  6  4  4  2  0  2  6  4  4  0  0  2  0  2  0  4  4  2  6  4  6  6  2  4
 0  0  0  0  0  4  0  4  0  4  4  4  4  0  4  4  4  4  0  4  0  4  4  0  0  0  4  0  0  4  0  0  4  0  0  0  4  4  4  0  4  4  4  0  0  4  4  0  0  4  0  4  4  0  0  0  4  4  0  4  0  4  0  0  4  0  4  0  4  4  0
 0  0  0  0  0  0  4  4  4  4  4  0  4  4  4  4  0  0  0  0  4  0  4  4  4  0  4  4  0  0  0  0  0  4  0  4  0  0  4  4  0  4  4  4  4  4  4  0  4  4  4  4  0  4  0  4  0  0  0  4  4  4  0  0  4  0  0  0  4  4  4

generates a code of length 71 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+42x^60+154x^61+331x^62+626x^63+777x^64+1436x^65+1416x^66+2198x^67+2088x^68+3092x^69+2503x^70+3380x^71+2638x^72+3242x^73+2085x^74+2298x^75+1277x^76+1210x^77+737x^78+504x^79+321x^80+200x^81+83x^82+72x^83+21x^84+8x^85+8x^86+10x^87+3x^88+2x^89+3x^90+1x^94+1x^106

The gray image is a code over GF(2) with n=284, k=15 and d=120.
This code was found by Heurico 1.16 in 41.6 seconds.