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

generates a code of length 70 over Z8 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+40x^64+68x^65+47x^66+28x^67+172x^68+38x^69+272x^70+26x^71+160x^72+56x^73+38x^74+8x^75+8x^76+30x^77+20x^78+2x^79+3x^80+6x^82+1x^130

The gray image is a code over GF(2) with n=280, k=10 and d=128.
This code was found by Heurico 1.16 in 0.202 seconds.