The generator matrix

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

generates a code of length 68 over Z8 who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+106x^63+230x^64+302x^65+257x^66+204x^67+193x^68+160x^69+135x^70+80x^71+104x^72+70x^73+56x^74+32x^75+17x^76+56x^77+23x^78+10x^79+4x^80+4x^81+1x^82+2x^84+1x^88

The gray image is a code over GF(2) with n=272, k=11 and d=126.
This code was found by Heurico 1.11 in 0.211 seconds.