The generator matrix

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

generates a code of length 71 over Z8 who´s minimum homogenous weight is 59.

Homogenous weight enumerator: w(x)=1x^0+72x^59+364x^60+884x^61+1660x^62+2250x^63+3828x^64+4544x^65+6319x^66+7602x^67+9312x^68+10338x^69+12383x^70+11928x^71+11792x^72+10550x^73+9879x^74+7848x^75+6686x^76+4456x^77+3449x^78+2042x^79+1337x^80+672x^81+426x^82+246x^83+114x^84+42x^85+28x^86+12x^87+6x^88+2x^89

The gray image is a code over GF(2) with n=284, k=17 and d=118.
This code was found by Heurico 1.11 in 242 seconds.