The generator matrix

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

generates a code of length 64 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+88x^60+188x^61+169x^62+132x^63+105x^64+68x^65+36x^66+36x^67+56x^68+56x^69+23x^70+24x^71+22x^72+8x^73+2x^74+8x^76+2x^78

The gray image is a code over GF(2) with n=256, k=10 and d=120.
This code was found by Heurico 1.11 in 0.268 seconds.