The generator matrix

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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+45x^48+28x^49+98x^50+100x^51+118x^52+182x^53+219x^54+308x^55+374x^56+404x^57+417x^58+396x^59+319x^60+328x^61+199x^62+188x^63+110x^64+80x^65+69x^66+32x^67+40x^68+2x^69+13x^70+12x^72+7x^74+3x^76+1x^78+2x^80+1x^82

The gray image is a code over GF(2) with n=232, k=12 and d=96.
This code was found by Heurico 1.16 in 1.04 seconds.