The generator matrix

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

generates a code of length 25 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+164x^20+262x^22+571x^24+662x^26+250x^28+98x^30+35x^32+2x^34+2x^36+1x^40

The gray image is a code over GF(2) with n=100, k=11 and d=40.
This code was found by Heurico 1.16 in 0.189 seconds.