The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+63x^48+202x^49+470x^50+756x^51+1017x^52+1558x^53+1920x^54+2420x^55+2908x^56+3320x^57+3451x^58+3188x^59+3178x^60+2524x^61+1997x^62+1492x^63+885x^64+634x^65+343x^66+200x^67+97x^68+78x^69+43x^70+8x^71+10x^72+4x^73+1x^80

The gray image is a code over GF(2) with n=232, k=15 and d=96.
This code was found by Heurico 1.16 in 31.9 seconds.