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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+22x^40+32x^41+12x^42+128x^43+8x^44+32x^45+16x^46+1x^48+3x^50+1x^82

The gray image is a code over GF(2) with n=172, k=8 and d=80.
This code was found by Heurico 1.16 in 0.0246 seconds.