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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+156x^36+16x^37+364x^38+112x^39+433x^40+228x^41+606x^42+308x^43+634x^44+248x^45+426x^46+88x^47+242x^48+20x^49+114x^50+4x^51+66x^52+26x^54+3x^56+1x^64

The gray image is a code over GF(2) with n=172, k=12 and d=72.
This code was found by Heurico 1.16 in 0.753 seconds.