The generator matrix

 1  0  1  1  1  0  1  1  4  1  1  2  1  0  1  1  1  4  2  1  1  4  6  1  2  1  1  0  1  6  6  1  2  1  4  2  2  1
 0  1  1  0  1  1  0  3  1  0  5  1  4  1  5  2  7  1  1  1  0  1  1  4  2  1  7  1  0  1  1  3  1  6  1  4  0  0
 0  0  2  0  0  0  0  0  6  2  0  0  2  6  2  4  4  4  4  4  0  6  2  6  4  2  4  2  4  2  0  2  6  6  6  0  0  0
 0  0  0  2  0  0  0  0  6  0  2  2  2  4  6  2  0  6  0  6  2  4  6  0  4  0  0  6  4  4  4  2  4  0  0  2  0  0
 0  0  0  0  2  0  0  2  0  2  2  0  4  2  2  6  0  6  6  4  4  4  0  2  2  4  4  2  6  4  4  0  2  4  2  4  6  0
 0  0  0  0  0  2  6  2  2  0  4  4  2  0  2  2  6  6  0  0  6  0  0  2  4  2  4  2  4  2  0  4  4  0  6  0  2  0
 0  0  0  0  0  0  4  4  4  0  0  0  4  0  4  4  4  0  4  4  0  4  4  0  0  0  0  0  4  0  4  4  4  0  0  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+62x^28+92x^29+273x^30+422x^31+698x^32+1246x^33+1735x^34+2426x^35+3304x^36+3926x^37+4157x^38+4098x^39+3444x^40+2522x^41+1733x^42+1146x^43+674x^44+390x^45+209x^46+96x^47+63x^48+16x^49+19x^50+4x^51+8x^52+1x^54+2x^56+1x^58

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 20.3 seconds.