The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  6  0  1  1  6  1  1  1  1  0  6  1  0  1  1  6  1  6  1  1  1  1  1  1  1  0  4  0  4  1  1
 0  1  3  6  1  1  0  3  1  6  5  1  1  0  5  1  6  3  0  6  1  1  3  1  0  5  1  6  1  3  6  0  2  6  6  3  1  1  1  0  0  0
 0  0  4  0  0  0  0  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  4  4  4  0  0  4  4  0  4  4  0  4  4  0  4  0  4  0  0
 0  0  0  4  0  0  0  0  0  0  0  0  0  4  0  4  4  0  4  0  0  4  4  4  4  4  0  4  4  0  4  0  4  4  0  0  0  4  4  0  0  0
 0  0  0  0  4  0  0  0  0  0  0  4  4  0  4  4  4  4  0  4  0  0  4  4  0  4  4  4  0  4  4  0  4  4  0  0  0  0  0  4  0  0
 0  0  0  0  0  4  0  0  0  0  4  4  4  0  4  0  4  0  4  0  0  4  0  0  0  4  4  0  4  4  0  4  4  4  4  0  4  0  0  4  4  0
 0  0  0  0  0  0  4  0  0  4  4  0  0  4  4  0  0  4  4  0  0  4  0  4  4  0  0  0  0  4  4  0  4  0  4  0  4  0  4  0  4  0
 0  0  0  0  0  0  0  4  0  4  0  0  0  0  0  0  4  4  4  4  0  0  4  0  4  0  4  4  4  0  0  4  0  0  4  4  0  0  4  4  0  0
 0  0  0  0  0  0  0  0  4  0  4  4  0  0  4  4  4  4  4  0  4  0  0  4  4  0  4  0  4  0  0  0  4  0  0  4  0  0  4  0  0  0

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

Homogenous weight enumerator: w(x)=1x^0+25x^32+8x^33+102x^34+132x^35+154x^36+312x^37+212x^38+1104x^39+331x^40+1496x^41+405x^42+1640x^43+351x^44+904x^45+217x^46+432x^47+120x^48+96x^49+68x^50+20x^51+36x^52+18x^54+3x^56+1x^58+3x^60+1x^62

The gray image is a code over GF(2) with n=168, k=13 and d=64.
This code was found by Heurico 1.16 in 1.61 seconds.