The generator matrix

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

generates a code of length 64 over Z8 who´s minimum homogenous weight is 55.

Homogenous weight enumerator: w(x)=1x^0+86x^55+306x^56+472x^57+666x^58+832x^59+1000x^60+1224x^61+1325x^62+1482x^63+1614x^64+1534x^65+1382x^66+1258x^67+1007x^68+798x^69+575x^70+332x^71+191x^72+114x^73+75x^74+30x^75+37x^76+18x^77+8x^78+12x^79+4x^80+1x^82

The gray image is a code over GF(2) with n=256, k=14 and d=110.
This code was found by Heurico 1.16 in 9.64 seconds.