The generator matrix

 1  0  0  1  1  1  2  2  6  4  1  1  1  1  1  1  1  1  4  1  0  1  1  1  1  1  4  2  1  1  1  1  1  0  1  6  1  6  2  1  1  1
 0  1  0  0  5  5  1  6  1  1  1  4  2  3  6  3  7  4  1  4  1  3  5  6  2  7  2  1  7  1  1  1  7  1  4  1  3  1  1  4  2  0
 0  0  1  3  7  4  7  1  6  1  5  1  2  6  3  0  5  4  4  6  7  2  2  0  1  7  1  5  5  0  6  6  0  2  1  3  7  4  4  7  6  4
 0  0  0  4  4  0  4  4  4  0  0  0  4  4  4  4  4  4  4  0  4  0  0  0  0  0  4  0  0  4  0  4  0  0  4  0  4  0  4  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+57x^38+164x^39+169x^40+132x^41+126x^42+112x^43+53x^44+32x^45+81x^46+52x^47+15x^48+12x^49+8x^50+8x^51+1x^52+1x^56

The gray image is a code over GF(2) with n=168, k=10 and d=76.
This code was found by Heurico 1.16 in 0.0374 seconds.