The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+147x^60+56x^61+436x^62+284x^63+833x^64+588x^65+1216x^66+876x^67+1583x^68+1244x^69+1884x^70+1252x^71+1697x^72+972x^73+1166x^74+548x^75+660x^76+268x^77+302x^78+48x^79+183x^80+8x^81+68x^82+40x^84+14x^86+6x^88+2x^90+2x^92

The gray image is a code over GF(2) with n=280, k=14 and d=120.
This code was found by Heurico 1.16 in 13.1 seconds.