The generator matrix

 1  0  0  1  1  1  2  1  1  4  6  1  1  4  1  1  2  1  4  1  2  1  0  1  1  0  0  2  1  4  4  0  1  1  1  1  1  2  1  1  1  1
 0  1  0  1  0  3  1  0  2  1  1  7  1  2  6  5  1  4  0  3  1  3  6  0  1  1  1  1  2  1  1  2  0  3  2  7  3  1  4  5  4  0
 0  0  1  1  1  0  1  2  3  2  3  3  0  1  2  5  0  3  1  4  7  1  1  0  2  7  0  2  7  7  6  1  6  7  0  0  5  4  6  2  2  0
 0  0  0  2  0  6  0  2  2  2  6  0  4  6  0  0  2  4  6  2  0  2  0  6  6  2  4  2  6  4  4  2  0  0  2  2  2  6  2  0  0  0
 0  0  0  0  2  0  0  0  0  2  2  6  6  2  6  2  4  4  0  2  2  2  2  6  4  6  6  4  2  6  0  0  4  0  2  4  0  6  0  6  4  0
 0  0  0  0  0  4  0  0  0  0  0  4  4  0  4  0  0  0  4  0  0  4  4  0  0  4  4  0  0  4  4  0  4  4  4  4  4  0  4  4  0  0
 0  0  0  0  0  0  4  0  4  4  0  0  4  4  0  4  4  0  0  4  4  0  0  4  4  0  4  4  4  0  0  0  0  0  0  4  4  0  0  0  0  0
 0  0  0  0  0  0  0  4  4  4  4  4  4  0  0  4  0  4  4  4  4  0  4  0  4  4  0  4  4  0  0  4  0  4  4  0  4  4  4  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+119x^32+190x^33+545x^34+870x^35+1521x^36+2530x^37+3617x^38+5088x^39+6377x^40+7590x^41+8163x^42+7706x^43+6826x^44+5474x^45+3559x^46+2294x^47+1398x^48+816x^49+455x^50+168x^51+133x^52+36x^53+39x^54+2x^55+9x^56+4x^57+5x^58+1x^62

The gray image is a code over GF(2) with n=168, k=16 and d=64.
This code was found by Heurico 1.16 in 75.6 seconds.