The generator matrix

 1  0  1  1  1  0  1  1  0  1  1  4  1  0  1  0  1  1  1  2  1  1  1  1  1  2  1  4  1  4  1  1  1  2  1  2  1  1  2  1  1  1
 0  1  1  0  1  1  0  3  1  7  4  1  5  1  4  1  7  4  5  1  0  4  3  0  5  1  5  1  3  1  6  0  5  1  3  2  1  2  4  7  4  4
 0  0  2  0  0  0  0  0  0  0  0  0  4  4  0  0  0  4  4  4  6  2  6  2  2  2  6  2  2  2  0  4  0  6  2  2  6  6  4  4  0  0
 0  0  0  2  0  0  0  2  2  4  6  0  2  2  4  4  2  0  4  2  4  4  0  0  2  6  6  2  4  0  6  2  2  0  4  6  0  4  2  4  6  0
 0  0  0  0  2  0  2  2  4  4  6  6  4  6  6  6  6  4  4  0  2  0  0  2  6  6  2  0  2  0  2  2  0  4  4  2  6  0  6  0  4  0
 0  0  0  0  0  2  2  4  6  6  2  4  6  4  0  6  2  2  4  0  0  4  6  6  6  0  0  6  4  4  4  2  4  6  4  0  2  2  0  2  0  6
 0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  4  0  0  4  0  4  4  4  4  0  4  0  0  4  4  0  0  0  4  0  0  0  4  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+57x^32+134x^33+277x^34+444x^35+792x^36+1122x^37+1627x^38+2504x^39+3376x^40+3920x^41+4062x^42+4056x^43+3445x^44+2584x^45+1742x^46+1072x^47+691x^48+410x^49+204x^50+108x^51+79x^52+22x^53+18x^54+8x^55+7x^56+5x^58+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 24.1 seconds.