The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+99x^30+336x^31+755x^32+1416x^33+1744x^34+2658x^35+3140x^36+4248x^37+3808x^38+4254x^39+3283x^40+3012x^41+1770x^42+1118x^43+602x^44+272x^45+125x^46+82x^47+24x^48+12x^49+6x^50+2x^52+1x^56

The gray image is a code over GF(2) with n=152, k=15 and d=60.
This code was found by Heurico 1.16 in 15.9 seconds.