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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+213x^40+738x^42+1197x^44+1648x^46+2325x^48+1536x^49+6104x^50+5120x^51+6208x^52+1536x^53+2378x^54+1705x^56+1188x^58+595x^60+222x^62+43x^64+10x^66+1x^96

The gray image is a code over GF(2) with n=204, k=15 and d=80.
This code was found by Heurico 1.16 in 45.1 seconds.