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

generates a code of length 53 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+48x^45+157x^46+146x^47+225x^48+244x^49+299x^50+384x^51+365x^52+484x^53+347x^54+354x^55+315x^56+180x^57+171x^58+102x^59+100x^60+60x^61+44x^62+36x^63+15x^64+8x^65+6x^66+2x^67+2x^68+1x^76

The gray image is a code over GF(2) with n=212, k=12 and d=90.
This code was found by Heurico 1.16 in 0.845 seconds.