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

generates a code of length 50 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+110x^42+4x^43+258x^44+64x^45+451x^46+172x^47+505x^48+264x^49+568x^50+284x^51+453x^52+176x^53+318x^54+52x^55+202x^56+8x^57+122x^58+48x^60+31x^62+4x^64+1x^68

The gray image is a code over GF(2) with n=200, k=12 and d=84.
This code was found by Heurico 1.16 in 0.767 seconds.