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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+158x^30+8x^31+445x^32+140x^33+501x^34+568x^35+630x^36+1308x^37+637x^38+1368x^39+681x^40+580x^41+478x^42+104x^43+368x^44+20x^45+132x^46+48x^48+13x^50+2x^52+1x^54+1x^56

The gray image is a code over GF(2) with n=152, k=13 and d=60.
This code was found by Heurico 1.16 in 2.08 seconds.