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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+117x^50+4x^51+320x^52+32x^53+411x^54+184x^55+510x^56+308x^57+521x^58+276x^59+431x^60+168x^61+337x^62+48x^63+200x^64+4x^65+114x^66+61x^68+32x^70+12x^72+4x^74+1x^88

The gray image is a code over GF(2) with n=232, k=12 and d=100.
This code was found by Heurico 1.16 in 0.928 seconds.