The generator matrix

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

generates a code of length 64 over Z8 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+260x^62+89x^64+104x^66+52x^70+4x^72+2x^80

The gray image is a code over GF(2) with n=256, k=9 and d=124.
This code was found by Heurico 1.16 in 7.68 seconds.