The generator matrix

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

generates a code of length 64 over Z8 who´s minimum homogenous weight is 59.

Homogenous weight enumerator: w(x)=1x^0+102x^59+270x^60+202x^61+311x^62+194x^63+187x^64+170x^65+125x^66+120x^67+110x^68+52x^69+85x^70+24x^71+52x^72+6x^73+5x^74+22x^75+2x^76+2x^77+2x^79+2x^82+2x^84

The gray image is a code over GF(2) with n=256, k=11 and d=118.
This code was found by Heurico 1.16 in 0.209 seconds.