The generator matrix

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

generates a code of length 70 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+319x^60+804x^61+1140x^62+1860x^63+2378x^64+3418x^65+3877x^66+4956x^67+5225x^68+5722x^69+5837x^70+5968x^71+5331x^72+5266x^73+3985x^74+3284x^75+2204x^76+1708x^77+999x^78+616x^79+326x^80+132x^81+98x^82+48x^83+20x^84+4x^85+4x^87+4x^88+2x^93

The gray image is a code over GF(2) with n=280, k=16 and d=120.
This code was found by Heurico 1.11 in 61.4 seconds.