The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+107x^36+12x^37+252x^38+92x^39+324x^40+152x^41+264x^42+152x^43+285x^44+92x^45+142x^46+12x^47+87x^48+44x^50+24x^52+2x^54+3x^56+1x^64

The gray image is a code over GF(2) with n=168, k=11 and d=72.
This code was found by Heurico 1.16 in 0.174 seconds.