The generator matrix

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

generates a code of length 41 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+45x^40+64x^41+15x^44+1x^52+2x^56

The gray image is a code over GF(2) with n=164, k=7 and d=80.
This code was found by Heurico 1.16 in 0.0203 seconds.