The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  2  1  1  1  2  1  1  1  1  1  2  1  1
 0  4  0  0  0  0  0  0  0  4  4  4  0  4  0  0  4  0  4  4  0  0  0  0  0  4  0  0  4  4  0  4  4  4  0  4  0  4  0  0  4  4
 0  0  4  0  0  0  0  0  4  4  4  4  0  0  0  4  0  4  4  0  0  0  0  0  0  0  4  4  0  4  4  4  0  0  4  4  0  4  4  4  4  4
 0  0  0  4  0  0  0  0  4  0  0  4  0  4  0  0  0  0  0  0  4  4  4  4  4  0  4  4  4  4  4  0  4  0  4  4  4  4  4  0  0  0
 0  0  0  0  4  0  0  0  4  0  4  4  4  0  0  4  4  0  0  4  4  4  4  4  0  0  0  4  4  0  0  0  4  4  0  0  4  0  0  0  0  4
 0  0  0  0  0  4  0  0  4  0  4  0  0  4  4  4  0  0  4  4  0  0  0  4  4  4  4  4  4  4  0  4  4  0  4  0  4  0  0  0  0  4
 0  0  0  0  0  0  4  0  4  4  0  0  0  4  4  0  4  4  4  0  0  0  4  4  0  0  0  4  4  4  0  0  4  0  0  4  0  0  4  4  0  4
 0  0  0  0  0  0  0  4  4  4  0  4  4  0  4  0  0  0  4  4  0  4  4  0  0  0  0  4  4  0  4  0  0  4  4  4  0  0  4  0  4  0

generates a code of length 42 over Z8 who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+80x^36+166x^40+608x^42+59x^44+32x^46+49x^48+28x^52+1x^76

The gray image is a code over GF(2) with n=168, k=10 and d=72.
This code was found by Heurico 1.16 in 6.03 seconds.