The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  1  1  1  1  1  2  1  1  1  1  1  4  1  1  1  2  1  0  1  1  0  1  1  1  1  1  2  2  1  1  2  1  4  1  1  1  2
 0  2  0  0  0  0  0  0  0  2  6  2  2  6  2  6  4  4  2  0  6  4  6  6  0  4  6  6  0  2  2  0  2  4  2  4  2  0  2  4  4  4  6  6  4  4  4  6  4  0  2  0  0  0  2  0  2  2  2  6  2  0  2  6  0  4  6  2  2  2
 0  0  2  0  0  4  6  2  2  2  2  0  2  6  0  4  6  2  4  6  4  0  6  4  0  2  2  2  0  4  6  0  6  2  6  0  0  4  6  2  4  6  6  0  2  0  4  4  2  2  2  2  6  4  0  0  2  6  0  6  4  2  4  6  6  4  6  2  6  6
 0  0  0  2  0  6  6  6  4  0  0  0  2  6  2  2  2  6  2  4  4  0  6  0  4  4  6  0  6  6  4  6  4  4  6  0  6  6  0  2  4  4  0  4  6  4  2  4  2  0  6  6  0  2  6  2  6  0  6  0  0  0  2  4  4  0  4  4  6  4
 0  0  0  0  2  2  4  6  2  0  2  2  2  0  0  6  2  4  6  6  2  6  2  0  0  4  0  4  4  4  2  6  4  0  2  2  4  4  0  6  4  2  4  4  4  2  2  6  2  4  4  4  4  2  2  2  0  6  6  6  6  2  4  6  0  2  0  4  4  4

generates a code of length 70 over Z8 who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+64x^63+104x^64+118x^65+102x^66+142x^67+247x^68+208x^69+211x^70+216x^71+169x^72+140x^73+72x^74+56x^75+59x^76+26x^77+24x^78+28x^79+22x^80+18x^81+6x^82+4x^83+6x^84+2x^85+2x^91+1x^118

The gray image is a code over GF(2) with n=280, k=11 and d=126.
This code was found by Heurico 1.16 in 59.3 seconds.