The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 57.

Homogenous weight enumerator: w(x)=1x^0+204x^57+689x^58+1208x^59+1911x^60+2262x^61+3313x^62+3760x^63+4950x^64+4856x^65+6489x^66+5774x^67+6625x^68+5304x^69+5107x^70+4124x^71+3388x^72+2022x^73+1530x^74+792x^75+575x^76+296x^77+180x^78+84x^79+47x^80+30x^81+4x^82+2x^83+5x^84+2x^85+2x^88

The gray image is a code over GF(2) with n=268, k=16 and d=114.
This code was found by Heurico 1.11 in 57.9 seconds.