The generator matrix

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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+92x^45+295x^46+310x^47+395x^48+406x^49+535x^50+316x^51+406x^52+310x^53+385x^54+186x^55+190x^56+104x^57+77x^58+50x^59+14x^60+12x^61+4x^62+2x^64+2x^65+2x^67+2x^69

The gray image is a code over GF(2) with n=204, k=12 and d=90.
This code was found by Heurico 1.16 in 0.502 seconds.