The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+123x^20+172x^21+499x^22+324x^23+687x^24+536x^25+653x^26+360x^27+451x^28+124x^29+117x^30+20x^31+16x^32+11x^34+2x^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 0.176 seconds.