The generator matrix

 1  0  1  1  1  0  1  1  2  1  6  1  1  1  0  1  1  4  2  1  0  1  2  1  1  1  4  6  1  1  4  2  1  6  1  0  1  1  2  1  1  1
 0  1  1  0  3  1  2  3  1  6  1  5  0  3  1  4  7  1  1  2  1  5  1  3  0  1  1  1  7  6  1  4  2  1  2  0  1  2  1  1  0  0
 0  0  2  6  0  6  2  6  2  0  4  0  4  0  0  2  6  6  2  2  0  0  2  4  0  6  6  4  6  0  2  2  2  0  6  2  2  2  2  6  0  0
 0  0  0  4  0  0  0  0  0  0  0  0  0  4  4  0  4  4  0  4  0  4  0  4  0  4  4  4  4  0  4  4  4  0  4  0  4  4  0  0  0  0
 0  0  0  0  4  0  0  0  0  0  0  4  0  4  0  0  0  0  4  4  4  0  4  0  4  4  4  0  4  0  0  4  4  4  0  4  0  0  4  0  4  0
 0  0  0  0  0  4  0  0  0  0  0  4  4  4  0  4  4  4  4  0  0  0  0  4  0  4  0  4  4  4  4  0  0  0  0  4  0  4  4  4  0  4
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  4  4  0  4  4  4  0  0  4  4  4  0  4  0  4  0  4  0  0  4  4  4  4  4  0
 0  0  0  0  0  0  0  4  0  4  4  0  4  0  4  4  0  4  4  0  4  4  0  4  0  0  4  4  0  0  4  4  4  0  0  4  0  4  4  4  4  4
 0  0  0  0  0  0  0  0  4  0  0  4  4  4  0  4  4  0  0  4  0  4  4  4  4  4  4  0  0  4  0  0  0  4  4  4  4  4  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+41x^32+244x^34+48x^35+567x^36+264x^37+1352x^38+680x^39+2439x^40+1064x^41+3014x^42+1064x^43+2466x^44+664x^45+1316x^46+248x^47+568x^48+56x^49+196x^50+8x^51+55x^52+20x^54+7x^56+2x^58

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 6.16 seconds.