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

generates a code of length 85 over Z8 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+7x^80+68x^81+26x^82+84x^83+34x^84+92x^85+26x^86+88x^87+18x^88+28x^89+8x^90+20x^91+2x^92+4x^93+2x^94+2x^96+1x^98+1x^130

The gray image is a code over GF(2) with n=340, k=9 and d=160.
This code was found by Heurico 1.16 in 0.303 seconds.