The generator matrix

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

generates a code of length 42 over Z8 who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+67x^32+64x^33+190x^34+386x^35+860x^36+1058x^37+2206x^38+2196x^39+3625x^40+3468x^41+4477x^42+3480x^43+3833x^44+2192x^45+2069x^46+1036x^47+782x^48+372x^49+244x^50+70x^51+42x^52+14x^53+28x^54+5x^56+1x^58+1x^60+1x^62

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 18.7 seconds.