The generator matrix

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

generates a code of length 39 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+61x^38+62x^40+2x^46+1x^48+1x^54

The gray image is a code over GF(2) with n=156, k=7 and d=76.
This code was found by Heurico 1.16 in 0.0118 seconds.