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

generates a code of length 53 over Z8 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+12x^49+15x^50+30x^51+84x^52+75x^54+10x^56+20x^57+5x^62+1x^64+2x^67+1x^74

The gray image is a code over GF(2) with n=212, k=8 and d=98.
This code was found by Heurico 1.16 in 80.2 seconds.