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

generates a code of length 39 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+228x^30+8x^31+565x^32+92x^33+1056x^34+428x^35+1736x^36+924x^37+2516x^38+1180x^39+2580x^40+948x^41+1818x^42+420x^43+1068x^44+84x^45+480x^46+12x^47+182x^48+45x^50+12x^52+1x^66

The gray image is a code over GF(2) with n=156, k=14 and d=60.
This code was found by Heurico 1.16 in 16.5 seconds.