The generator matrix

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

generates a code of length 69 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+52x^60+142x^61+187x^62+394x^63+326x^64+704x^65+534x^66+862x^67+462x^68+966x^69+564x^70+872x^71+386x^72+678x^73+289x^74+328x^75+144x^76+112x^77+72x^78+30x^79+27x^80+18x^81+16x^82+10x^83+6x^84+4x^85+4x^88+1x^90+1x^94

The gray image is a code over GF(2) with n=276, k=13 and d=120.
This code was found by Heurico 1.16 in 3.17 seconds.