The generator matrix

 1  0  0  1  1  1  6  1  1  1  1  4  2  0  1  1  1  2  1  6  4  1  4  1  1  1  1  1  1  4  6  4  1  2  1  1  1  1
 0  1  0  1  6  3  1  0  1  4  1  2  1  1  2  3  2  1  5  0  1  3  1  7  2  5  0  3  4  2  1  1  0  2  6  5  3  0
 0  0  1  1  3  6  3  6  3  1  2  1  2  3  2  3  1  1  0  1  2  0  1  1  2  0  3  4  2  1  0  7  7  1  3  6  0  0
 0  0  0  4  0  0  0  0  0  0  0  4  4  4  0  4  0  0  4  0  0  4  4  4  0  4  4  0  4  0  4  0  0  4  4  4  0  0
 0  0  0  0  4  0  0  0  0  4  0  0  0  0  0  4  4  0  0  4  4  4  0  4  4  0  4  4  0  0  0  4  4  0  4  0  0  0
 0  0  0  0  0  4  0  0  0  0  4  0  0  0  0  4  4  0  4  0  4  4  4  0  0  4  0  4  0  4  0  4  0  4  4  0  0  0
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  0  0  4  4  0  4  4  0  4  0  0  4  4  4  0  0  4  0  4  4  4  0  0  0
 0  0  0  0  0  0  0  4  0  4  4  0  0  4  4  4  4  4  4  4  0  0  4  0  4  4  4  0  4  0  4  4  0  0  0  4  0  0
 0  0  0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  4  0  0  0  4  0  0  4  0  4  4  4  0  4  4  4  0  4  4  0  0

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

Homogenous weight enumerator: w(x)=1x^0+42x^28+78x^29+126x^30+376x^31+656x^32+1350x^33+1796x^34+2516x^35+3396x^36+3716x^37+4336x^38+4032x^39+3463x^40+2676x^41+1772x^42+1192x^43+590x^44+366x^45+146x^46+72x^47+39x^48+6x^49+16x^50+4x^51+4x^52+1x^56

The gray image is a code over GF(2) with n=152, k=15 and d=56.
This code was found by Heurico 1.16 in 15.4 seconds.