The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+10x^46+52x^47+9x^48+40x^49+4x^50+4x^51+6x^52+1x^58+1x^74

The gray image is a code over GF(2) with n=192, k=7 and d=92.
This code was found by Heurico 1.11 in 0.035 seconds.