The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+18x^36+136x^37+162x^38+330x^39+288x^40+542x^41+340x^42+618x^43+296x^44+478x^45+276x^46+302x^47+77x^48+106x^49+36x^50+30x^51+22x^52+18x^53+18x^54+2x^56

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 0.427 seconds.