The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+79x^52+286x^53+181x^54+326x^55+179x^56+214x^57+116x^58+194x^59+100x^60+146x^61+56x^62+60x^63+36x^64+42x^65+10x^66+10x^67+4x^68+3x^70+2x^71+2x^74+1x^76

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 0.167 seconds.