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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+140x^46+382x^48+28x^49+750x^50+128x^51+1054x^52+416x^53+1702x^54+896x^55+2188x^56+1144x^57+2201x^58+896x^59+1562x^60+448x^61+1043x^62+128x^63+664x^64+12x^65+366x^66+152x^68+66x^70+12x^72+3x^74+1x^78+1x^80

The gray image is a code over GF(2) with n=228, k=14 and d=92.
This code was found by Heurico 1.16 in 13.9 seconds.