The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+169x^20+136x^21+420x^22+360x^23+721x^24+528x^25+680x^26+400x^27+391x^28+104x^29+140x^30+8x^31+26x^32+8x^34+4x^36

The gray image is a code over GF(2) with n=100, k=12 and d=40.
This code was found by Heurico 1.16 in 0.25 seconds.