The generator matrix

 1  0  1  1  1  6  1  1  4  1  2  1  6  1  1  1  0  1  1  4  1  1  2  1  2
 0  1  1  6  3  1  0  3  1  2  1  5  1  7  4  4  1  3  3  1  0  0  1  1  0
 0  0  2  0  6  0  6  4  6  6  2  4  4  2  6  6  4  4  4  6  4  4  2  6  4
 0  0  0  4  0  0  0  4  0  0  4  0  4  4  0  0  4  4  0  4  0  4  0  4  0
 0  0  0  0  4  0  0  0  4  4  0  4  4  0  4  0  0  0  0  0  4  4  0  4  4
 0  0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  4  0  4  4  0  0  0  4  4
 0  0  0  0  0  0  4  0  0  4  0  0  0  0  4  4  0  4  4  4  4  4  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+230x^20+64x^21+388x^22+256x^23+996x^24+384x^25+764x^26+256x^27+516x^28+64x^29+124x^30+43x^32+4x^34+6x^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 4.03 seconds.