The generator matrix

 1  0  1  1  1  1  1  1  1
 0  1  1  7 24 18  0  0  0
 0  0 15  0  0  5  0 20  5
 0  0  0  5  0 15 10 15 15
 0  0  0  0 15 20 20 10 15

generates a code of length 9 over Z25 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+80x^20+544x^25+2440x^30+12500x^32+6080x^35+50000x^37+6060x^40+420x^45

The gray image is a code over GF(5) with n=45, k=7 and d=20.
This code was found by Heurico 1.16 in 0.329 seconds.