The generator matrix

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

generates a code of length 52 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+114x^46+248x^47+332x^48+394x^49+478x^50+464x^51+349x^52+360x^53+352x^54+324x^55+199x^56+172x^57+164x^58+48x^59+45x^60+32x^61+6x^62+4x^63+2x^65+6x^66+2x^68

The gray image is a code over GF(2) with n=208, k=12 and d=92.
This code was found by Heurico 1.16 in 0.478 seconds.