The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+97x^32+218x^33+514x^34+898x^35+1524x^36+2450x^37+3696x^38+5160x^39+6413x^40+7580x^41+8129x^42+7744x^43+6651x^44+5268x^45+3688x^46+2372x^47+1459x^48+826x^49+473x^50+206x^51+109x^52+42x^53+11x^54+4x^55+2x^56+1x^78

The gray image is a code over GF(2) with n=168, k=16 and d=64.
This code was found by Heurico 1.16 in 76.5 seconds.