The generator matrix

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

generates a code of length 42 over Z8 who´s minimum homogenous weight is 35.

Homogenous weight enumerator: w(x)=1x^0+238x^35+408x^36+732x^37+1135x^38+1240x^39+1709x^40+1898x^41+1844x^42+1794x^43+1593x^44+1392x^45+1025x^46+696x^47+364x^48+170x^49+87x^50+28x^51+19x^52+4x^54+4x^55+2x^56+1x^58

The gray image is a code over GF(2) with n=168, k=14 and d=70.
This code was found by Heurico 1.16 in 5.05 seconds.