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

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

Homogenous weight enumerator: w(x)=1x^0+119x^46+8x^47+408x^48+32x^49+718x^50+184x^51+1061x^52+488x^53+1626x^54+808x^55+2172x^56+1032x^57+2280x^58+872x^59+1708x^60+440x^61+1055x^62+176x^63+620x^64+56x^65+291x^66+157x^68+44x^70+14x^72+6x^74+2x^76+4x^78+1x^80+1x^82

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 14.5 seconds.