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

generates a code of length 39 over Z8 who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+143x^32+12x^33+344x^34+76x^35+496x^36+236x^37+572x^38+364x^39+607x^40+260x^41+434x^42+68x^43+302x^44+4x^45+106x^46+4x^47+48x^48+14x^50+2x^52+2x^54+1x^56

The gray image is a code over GF(2) with n=156, k=12 and d=64.
This code was found by Heurico 1.16 in 0.52 seconds.