The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  2  0  1  1  2  1  0  1  1  2  1  0  1  1  1  2  0  1  1  2  0  2  1  0  0  0  2  1  2  1
 0  2  0  6  0  6  0  6  0  6  0  6  6  2  4  6  6  0  2  6  6  6  0  2  6  0  6  6  2  0  2  6  2  6  0  2  2  2  0  6  6  6
 0  0  4  0  0  0  0  0  0  0  0  0  0  0  4  4  0  0  4  4  4  4  4  4  0  0  0  4  0  0  4  0  4  0  4  0  0  4  4  4  4  4
 0  0  0  4  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  0  4  4  0  0  0  0  4  4  0  0  4  4  0  0  0  4  0  4  0  4  4  0
 0  0  0  0  4  0  0  0  0  0  0  0  0  4  0  4  0  4  4  4  0  4  0  0  4  4  4  0  0  0  0  0  4  0  4  0  4  4  4  0  4  4
 0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  4  4  4  4  0  4  0  4  4  4  4  0  0  0  4  0  4  4  4  0  0  0  4  4  0  4  0
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  0  4  4  4  4  4  0  0  4  0  4  4  4  4  4  4  4  0  0  4  4  0  0  0  0  4  0
 0  0  0  0  0  0  0  4  0  0  0  4  4  4  0  4  4  0  4  4  0  0  0  4  4  0  0  4  0  4  0  0  0  0  4  4  0  0  4  0  0  0
 0  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  4  0  0  4  0  4  4  0  0  4  4  0  4  4  0  4  4  0  4  4  0  4  0  4  4
 0  0  0  0  0  0  0  0  0  4  0  4  4  4  0  4  0  4  0  0  4  4  0  4  0  0  0  0  4  0  4  0  4  4  4  4  0  4  0  0  4  4
 0  0  0  0  0  0  0  0  0  0  4  0  4  0  4  4  4  4  4  4  0  0  0  0  4  0  0  0  4  0  4  0  0  4  4  4  4  4  4  0  4  0

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

Homogenous weight enumerator: w(x)=1x^0+65x^30+10x^31+142x^32+50x^33+228x^34+192x^35+432x^36+594x^37+871x^38+1294x^39+1477x^40+1940x^41+1749x^42+1968x^43+1487x^44+1316x^45+916x^46+582x^47+418x^48+186x^49+206x^50+48x^51+110x^52+10x^53+51x^54+2x^55+25x^56+9x^58+3x^60+1x^62+1x^64

The gray image is a code over GF(2) with n=168, k=14 and d=60.
This code was found by Heurico 1.16 in 9.83 seconds.