The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  1  1 15  1  1  1  1  1  5 10  1 20  1  1  1  1  1  1  1  1  1  1  1  1  1  1 20 20  1 15  1 20  1  1  1  1  1  1  1  5
 0  1  0  0  5 10 20  1 16 14 12 18  8  1 12 22 22 17 14  1  1  1  1 11 23 19 23  4 18 24  1 22 16 17  6 23 17  1  1 18  1 21  1  8  3 11  5  2  3 22  1
 0  0  1  1 22 18 24  6  8  8 13 13 14  4 20 21  7 14 20 17 11  5 13 24  6 21  0  4  7  2 12 22 19 19  1 20  0  2 14 11 10 10  6 18 22 23  8 10  5  9 12
 0  0  0 15 20 10  0 15 15 20  5 10  0 15  0 20 10 15  5 10 15 10 10 20  0  0 10 15  5 10 20 15  5  0  5  5  5 20  5 15  5 15  0  5  0 20  0 10 15  5  0

generates a code of length 51 over Z25 who´s minimum homogenous weight is 189.

Homogenous weight enumerator: w(x)=1x^0+620x^189+980x^190+920x^191+120x^192+1300x^193+2340x^194+3216x^195+2820x^196+500x^197+2300x^198+4740x^199+4988x^200+3860x^201+580x^202+3300x^203+6040x^204+6508x^205+5500x^206+860x^207+3800x^208+6240x^209+5308x^210+3540x^211+440x^212+1800x^213+2520x^214+2024x^215+860x^216+28x^220+40x^225+16x^230+16x^235

The gray image is a code over GF(5) with n=255, k=7 and d=189.
This code was found by Heurico 1.16 in 6.95 seconds.