The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+132x^60+36x^61+474x^62+208x^63+854x^64+524x^65+1238x^66+1032x^67+1666x^68+1244x^69+1710x^70+1376x^71+1584x^72+916x^73+1212x^74+552x^75+750x^76+224x^77+306x^78+32x^79+150x^80+102x^82+44x^84+14x^86+2x^88+1x^96

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 13.2 seconds.