The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+58x^42+272x^43+399x^44+368x^45+476x^46+376x^47+443x^48+378x^49+367x^50+254x^51+256x^52+170x^53+122x^54+48x^55+44x^56+42x^57+9x^58+10x^59+1x^60+2x^61

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 0.37 seconds.