The generator matrix

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

generates a code of length 42 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+53x^38+200x^39+108x^40+172x^41+99x^42+120x^43+61x^44+72x^45+28x^46+48x^47+21x^48+28x^49+11x^50+1x^52+1x^54

The gray image is a code over GF(2) with n=168, k=10 and d=76.
This code was found by Heurico 1.11 in 0.0333 seconds.