The generator matrix

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

generates a code of length 42 over Z8 who´s minimum homogenous weight is 33.

Homogenous weight enumerator: w(x)=1x^0+94x^33+184x^34+440x^35+827x^36+1182x^37+2107x^38+2086x^39+3673x^40+3218x^41+4743x^42+3468x^43+3970x^44+2306x^45+1974x^46+1086x^47+699x^48+344x^49+190x^50+82x^51+43x^52+24x^53+15x^54+4x^55+3x^56+3x^58+2x^59

The gray image is a code over GF(2) with n=168, k=15 and d=66.
This code was found by Heurico 1.16 in 20.3 seconds.