The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+115x^30+239x^32+410x^34+806x^36+983x^38+784x^40+448x^42+168x^44+85x^46+48x^48+6x^50+2x^52+1x^54

The gray image is a code over GF(2) with n=152, k=12 and d=60.
This code was found by Heurico 1.16 in 7.5 seconds.