The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+107x^52+216x^53+199x^54+294x^55+199x^56+298x^57+160x^58+144x^59+92x^60+96x^61+70x^62+46x^63+35x^64+42x^65+12x^66+12x^67+13x^68+4x^69+7x^70+1x^72

The gray image is a code over GF(2) with n=228, k=11 and d=104.
This code was found by Heurico 1.16 in 0.201 seconds.