The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+105x^32+16x^33+198x^34+96x^35+509x^36+240x^37+766x^38+320x^39+720x^40+240x^41+402x^42+96x^43+296x^44+16x^45+42x^46+20x^48+11x^52+2x^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 0.405 seconds.