The generator matrix

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

generates a code of length 39 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+58x^34+164x^35+206x^36+376x^37+186x^38+318x^39+102x^40+222x^41+91x^42+132x^43+79x^44+56x^45+30x^46+10x^47+11x^48+2x^49+1x^50+1x^52+2x^54

The gray image is a code over GF(2) with n=156, k=11 and d=68.
This code was found by Heurico 1.16 in 0.0871 seconds.