The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  0  0  1  0  4  1  1  4  2  2  4  1  1  2  1  2  0  2  4  1  4  4  0  1
 0  2  0  0  0  0  0  0  0  2  2  6  2  2  4  4  0  2  0  2  4  4  2  4  6  4  2  4  6  2  6  0  2  2  2  0  4  0  2  2  0  4  6  4  4  6  0  2  6  2  4  2  0  2  0  4  4
 0  0  2  0  0  0  2  6  2  4  2  2  0  2  4  6  4  6  0  0  6  2  6  4  0  0  6  2  6  0  0  4  2  4  6  0  0  2  6  0  2  2  4  2  4  2  6  0  0  2  4  0  6  6  4  4  6
 0  0  0  2  0  2  2  2  4  4  4  4  6  2  6  2  0  2  4  6  0  4  4  6  2  0  2  6  2  0  0  0  0  2  6  4  2  2  2  4  4  4  2  6  0  0  2  4  4  4  4  6  0  0  2  2  0
 0  0  0  0  2  2  0  2  6  2  0  2  4  2  6  0  4  0  2  2  4  6  4  0  0  2  0  4  6  2  6  6  6  2  4  0  0  4  0  0  2  4  2  6  2  2  2  2  0  4  2  0  6  2  6  4  6
 0  0  0  0  0  4  0  0  0  0  0  0  0  4  0  4  4  4  0  4  4  0  0  0  4  4  0  4  0  0  4  4  4  4  4  4  0  0  4  0  4  4  0  4  4  4  4  4  0  0  4  0  0  0  0  4  0
 0  0  0  0  0  0  4  4  0  0  0  0  0  0  4  0  4  4  4  4  0  4  4  4  4  4  0  4  4  4  0  0  4  4  0  0  0  4  0  4  0  0  4  4  0  4  0  4  0  4  4  4  4  0  0  0  4

generates a code of length 57 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+190x^48+8x^49+406x^50+80x^51+620x^52+264x^53+914x^54+408x^55+1028x^56+512x^57+1022x^58+448x^59+786x^60+232x^61+550x^62+88x^63+324x^64+8x^65+164x^66+114x^68+16x^70+8x^72+1x^80

The gray image is a code over GF(2) with n=228, k=13 and d=96.
This code was found by Heurico 1.16 in 4.02 seconds.