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

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

Homogenous weight enumerator: w(x)=1x^0+146x^50+12x^51+298x^52+68x^53+434x^54+204x^55+467x^56+244x^57+491x^58+228x^59+495x^60+172x^61+287x^62+68x^63+201x^64+28x^65+143x^66+67x^68+35x^70+6x^72+1x^80

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 0.924 seconds.