The generator matrix

 1  0  1  1  1  0  1  1  0  1  2  1  1  1  4  1  4  1  1  0  1  1  1  6  2  1  1  2  1  2  1  1  2  1  1  6  0  1  4  2  4  0
 0  1  1  0  1  1  0  3  1  0  1  2  3  7  1  6  1  3  2  1  6  7  4  1  1  7  2  1  3  0  5  3  4  0  6  1  1  3  1  1  2  1
 0  0  2  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  6  2  2  6  6  4  6  6  4  6  4  4  4  4  6  6  2  4  4  6  2  4  4  0
 0  0  0  2  0  0  0  0  2  6  6  4  2  2  2  6  4  6  2  2  2  2  2  2  6  0  4  4  6  2  4  4  2  2  2  0  0  6  6  6  4  2
 0  0  0  0  2  6  6  0  2  2  4  6  2  0  4  6  4  4  6  4  4  2  6  2  6  4  0  2  4  2  0  2  2  4  2  6  2  2  0  4  2  2
 0  0  0  0  0  4  0  0  4  4  0  4  4  4  0  0  0  4  0  4  0  0  4  0  4  0  0  0  4  0  4  4  4  0  0  4  0  0  0  0  4  0
 0  0  0  0  0  0  4  0  0  0  0  0  4  4  4  0  4  4  0  4  0  0  4  0  0  4  4  4  0  4  4  0  0  4  0  4  4  0  4  4  0  0
 0  0  0  0  0  0  0  4  0  0  0  0  0  4  4  4  4  0  0  4  4  4  0  4  4  4  4  4  0  4  0  4  0  0  4  0  0  0  0  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+86x^32+120x^33+255x^34+502x^35+788x^36+1024x^37+1849x^38+2652x^39+3059x^40+3824x^41+4179x^42+4088x^43+3254x^44+2456x^45+1882x^46+1196x^47+697x^48+360x^49+245x^50+130x^51+45x^52+24x^53+37x^54+8x^55+5x^56+1x^58+1x^68

The gray image is a code over GF(2) with n=168, k=15 and d=64.
This code was found by Heurico 1.16 in 24 seconds.