The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+97x^64+112x^65+248x^66+152x^67+261x^68+108x^69+206x^70+164x^71+165x^72+136x^73+154x^74+64x^75+82x^76+28x^77+20x^78+4x^79+23x^80+10x^82+8x^84+2x^86+1x^92+2x^96

The gray image is a code over GF(2) with n=280, k=11 and d=128.
This code was found by Heurico 1.16 in 0.341 seconds.