The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+102x^30+28x^31+289x^32+76x^33+521x^34+248x^35+901x^36+440x^37+1270x^38+464x^39+1274x^40+432x^41+898x^42+264x^43+506x^44+72x^45+258x^46+20x^47+90x^48+4x^49+13x^50+9x^52+10x^54+2x^56

The gray image is a code over GF(2) with n=156, k=13 and d=60.
This code was found by Heurico 1.16 in 2.17 seconds.