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

generates a code of length 82 over Z8 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+73x^80+128x^82+36x^84+12x^88+4x^92+1x^96+1x^112

The gray image is a code over GF(2) with n=328, k=8 and d=160.
This code was found by Heurico 1.16 in 0.246 seconds.