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  1  2  0  1  1  1  2  0  1  1  1  1  1  2  2
 0  2  0  6  0  6  0  6  4  6  0  6  2  0  6  4  6  0  4  6  2  2  0  0  4  4  0  4  6  2  6  2  2  6  2  6  6  6  2  6  0  0
 0  0  4  0  0  0  0  0  4  0  0  4  4  4  0  4  0  0  0  4  4  0  0  4  4  0  0  0  4  4  0  4  0  0  4  4  0  4  4  0  4  0
 0  0  0  4  0  0  0  4  0  0  0  4  0  0  4  0  4  4  4  0  0  4  0  4  4  4  4  0  4  0  4  4  0  0  0  4  0  4  0  0  4  0
 0  0  0  0  4  0  0  0  0  4  4  0  4  0  4  4  0  4  0  4  4  4  0  0  4  0  0  4  0  4  0  0  4  0  0  4  0  4  4  4  0  0
 0  0  0  0  0  4  0  4  0  4  4  0  0  4  4  0  0  0  0  4  4  0  4  4  0  0  4  4  0  0  4  4  4  4  0  4  0  4  0  0  0  0
 0  0  0  0  0  0  4  0  4  0  4  0  0  0  4  0  4  4  0  4  0  4  4  4  0  4  4  0  0  4  4  0  0  4  0  0  4  4  4  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+88x^36+52x^38+199x^40+320x^42+234x^44+68x^46+47x^48+8x^50+6x^52+1x^72

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 0.063 seconds.