The generator matrix

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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+112x^28+36x^30+32x^31+533x^32+352x^33+688x^34+1312x^35+1919x^36+2400x^37+1624x^38+2400x^39+1923x^40+1312x^41+688x^42+352x^43+515x^44+32x^45+36x^46+101x^48+13x^52+1x^56+1x^60+1x^64

The gray image is a code over GF(2) with n=152, k=14 and d=56.
This code was found by Heurico 1.16 in 5.22 seconds.