The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+194x^20+108x^21+452x^22+384x^23+654x^24+568x^25+640x^26+352x^27+422x^28+124x^29+148x^30+41x^32+8x^34

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 0.273 seconds.