The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+68x^30+356x^31+845x^32+1366x^33+1836x^34+2522x^35+3158x^36+3942x^37+4293x^38+3880x^39+3668x^40+2760x^41+1747x^42+1194x^43+614x^44+302x^45+119x^46+48x^47+34x^48+14x^49+1x^50

The gray image is a code over GF(2) with n=152, k=15 and d=60.
This code was found by Heurico 1.11 in 7.59 seconds.