The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+58x^42+224x^43+363x^44+486x^45+405x^46+470x^47+400x^48+386x^49+314x^50+322x^51+195x^52+182x^53+121x^54+86x^55+55x^56+18x^57+6x^58+2x^59+2x^60

The gray image is a code over GF(2) with n=192, k=12 and d=84.
This code was found by Heurico 1.11 in 0.249 seconds.