The generator matrix

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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+204x^29+547x^30+1532x^31+2675x^32+5114x^33+6797x^34+10700x^35+12668x^36+16880x^37+15815x^38+17542x^39+13091x^40+11368x^41+6923x^42+4682x^43+2239x^44+1276x^45+610x^46+286x^47+45x^48+38x^49+28x^50+10x^51+1x^52

The gray image is a code over GF(2) with n=152, k=17 and d=58.
This code was found by Heurico 1.11 in 106 seconds.