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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+71x^48+86x^49+158x^50+196x^51+294x^52+360x^53+457x^54+582x^55+679x^56+832x^57+825x^58+848x^59+672x^60+592x^61+433x^62+324x^63+264x^64+150x^65+132x^66+92x^67+58x^68+24x^69+36x^70+6x^71+9x^72+4x^73+5x^74+1x^78+1x^86

The gray image is a code over GF(2) with n=232, k=13 and d=96.
This code was found by Heurico 1.16 in 3.81 seconds.