The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  6  1  6  1  1  1  0  1  1  1  1  1  0  6  0  1  1  4  1  1  6  1  1  1  1  1  1  1  0  0  0
 0  1  3  6  1  1  0  3  1  6  5  1  6  1  3  0  5  1  0  3  6  5  3  1  1  1  0  5  1  6  3  1  0  5  6  4  3  3  0  1  1  1
 0  0  4  0  0  0  0  0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  4  0  0  4  4  4  4  4  4  0  4  4  0  0  4  4  0  0  0  0
 0  0  0  4  0  0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  0  0  0  0  4  4  4  4  0  4  0  4  4  4  4  0  4  0  4  4  0  4
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  4  4  0  4  4  0  0  4  4  0  0  4  4  4  4  4  0  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  4  0  4  4  0  4  4  4  0  4  4  4  0  0  0  0  0  4  4  4  0  0  0  4  0  4  0  4  0
 0  0  0  0  0  0  4  0  0  0  4  0  4  0  4  4  4  4  4  4  4  4  0  0  4  4  0  4  0  0  0  0  0  0  0  0  4  4  4  0  4  0
 0  0  0  0  0  0  0  4  0  0  0  4  0  4  4  0  4  4  4  0  0  4  0  0  4  0  4  0  4  0  0  0  4  4  4  0  0  0  4  4  4  4
 0  0  0  0  0  0  0  0  4  0  4  4  0  4  4  0  4  0  4  0  4  0  4  4  0  0  0  4  4  0  4  0  0  0  0  0  0  4  0  4  0  4
 0  0  0  0  0  0  0  0  0  4  4  0  4  0  4  4  4  0  0  0  4  4  0  4  4  4  4  0  4  0  4  0  4  0  4  4  0  0  4  4  0  4

generates a code of length 42 over Z8 who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+106x^32+96x^34+32x^35+642x^36+224x^37+1184x^38+672x^39+2598x^40+1120x^41+3072x^42+1120x^43+2568x^44+672x^45+1184x^46+224x^47+632x^48+32x^49+96x^50+82x^52+22x^56+4x^60+1x^64

The gray image is a code over GF(2) with n=168, k=14 and d=64.
This code was found by Heurico 1.16 in 6.39 seconds.