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

generates a code of length 70 over Z8 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+43x^62+48x^63+77x^64+152x^65+106x^66+156x^67+190x^68+172x^69+226x^70+190x^71+182x^72+140x^73+101x^74+96x^75+28x^76+30x^77+26x^78+14x^79+24x^80+16x^81+8x^82+8x^83+10x^84+2x^85+1x^86+1x^114

The gray image is a code over GF(2) with n=280, k=11 and d=124.
This code was found by Heurico 1.16 in 0.405 seconds.