The generator matrix

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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+40x^49+8x^50+44x^51+12x^52+4x^53+8x^54+4x^55+2x^56+1x^64+4x^65

The gray image is a code over GF(2) with n=204, k=7 and d=98.
This code was found by Heurico 1.16 in 0.247 seconds.