The generator matrix

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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+250x^42+586x^43+1457x^44+1996x^45+3116x^46+3724x^47+5154x^48+5712x^49+7160x^50+6752x^51+7591x^52+5690x^53+5475x^54+3872x^55+3217x^56+1706x^57+1045x^58+532x^59+300x^60+118x^61+37x^62+18x^63+8x^64+6x^65+5x^66+2x^67+4x^69+2x^71

The gray image is a code over GF(2) with n=204, k=16 and d=84.
This code was found by Heurico 1.11 in 41.4 seconds.