The generator matrix

 1  0  1  1  1  6  1  1  4  2  1  1  6  1  1  1  1  2  2  1  1  1  4  1  4  1  0  1  1  1  1  4  1  1  1  1  0  4  4  1  1  1  2
 0  1  1  0  3  1  2  3  1  1  6  5  1  3  6  4  5  1  1  3  1  6  1  7  1  2  1  2  3  6  5  1  7  6  4  2  2  1  1  2  3  4  0
 0  0  2  0  6  0  0  0  4  4  0  4  0  2  6  2  6  2  2  4  0  2  6  0  6  4  4  2  6  6  4  6  6  0  6  6  0  6  2  6  2  6  2
 0  0  0  2  0  0  2  4  6  2  0  0  4  2  6  4  2  0  6  2  6  4  4  2  2  2  4  6  2  2  0  4  2  4  0  4  6  2  0  6  6  4  6
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  0  4  4  0  4  4  4  4  4  4  0  4  4  0  4  4  4  4  0  4  0  0
 0  0  0  0  0  4  0  4  4  4  4  0  4  4  4  0  0  4  4  0  4  4  0  0  4  4  4  0  4  0  4  0  0  4  0  0  4  0  4  0  4  4  0
 0  0  0  0  0  0  4  0  0  4  4  4  4  0  4  0  0  0  0  4  4  4  4  0  4  4  0  4  0  0  4  0  4  0  4  0  4  0  4  4  0  0  4

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

Homogenous weight enumerator: w(x)=1x^0+200x^36+100x^37+524x^38+348x^39+780x^40+676x^41+1072x^42+844x^43+1146x^44+652x^45+712x^46+340x^47+431x^48+108x^49+160x^50+4x^51+62x^52+28x^54+4x^56

The gray image is a code over GF(2) with n=172, k=13 and d=72.
This code was found by Heurico 1.16 in 2.27 seconds.