The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+180x^42+144x^43+397x^44+268x^45+502x^46+348x^47+515x^48+376x^49+448x^50+264x^51+314x^52+124x^53+116x^54+12x^55+38x^56+28x^58+9x^60+6x^62+6x^64

The gray image is a code over GF(2) with n=192, k=12 and d=84.
This code was found by Heurico 1.16 in 3.2 seconds.