The generator matrix

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

generates a code of length 42 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+64x^30+4x^31+367x^32+48x^33+959x^34+384x^35+2113x^36+1452x^37+4284x^38+3808x^39+7821x^40+6616x^41+9680x^42+6520x^43+7722x^44+3856x^45+4607x^46+1500x^47+2158x^48+312x^49+759x^50+72x^51+261x^52+4x^53+114x^54+37x^56+10x^58+3x^62

The gray image is a code over GF(2) with n=168, k=16 and d=60.
This code was found by Heurico 1.16 in 83 seconds.