The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+67x^32+40x^33+275x^34+128x^35+459x^36+352x^37+514x^38+488x^39+501x^40+360x^41+411x^42+144x^43+213x^44+16x^45+73x^46+8x^47+33x^48+6x^50+4x^52+1x^54+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 0.371 seconds.