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

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

Homogenous weight enumerator: w(x)=1x^0+157x^80+92x^82+292x^84+216x^86+174x^88+12x^90+75x^92+4x^96+1x^156

The gray image is a code over GF(2) with n=340, k=10 and d=160.
This code was found by Heurico 1.16 in 0.766 seconds.