The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  0  1  1  1  1  1  5  1  1 10  1  1  1  1  1  1  1  1  1  1  5
 0  1  1  7 14 18  0 16  7 14 18  1  0 14  5 19 16  7 18  1 20  9 16 12 21  1 19 23  1 19  8  0  3 23 17 16  9 23 17 10
 0  0 15  0 15 10  0 20 10 20  5 15 10  0 15  0 10  5 20  5  0  5 20 10 10 15 20  5  0  5 20 10  5  0 20  5  5 20 15 20
 0  0  0  5 15  5 10 15  0 10 15  5 10 15  5 20 15 10  5  5  5  0 20 20  5 20  0  0 15 10  0  0  5 15 15  5 15 10 15 20

generates a code of length 40 over Z25 who´s minimum homogenous weight is 146.

Homogenous weight enumerator: w(x)=1x^0+20x^146+220x^147+520x^149+164x^150+280x^151+1100x^152+940x^154+168x^155+540x^156+1680x^157+1260x^159+100x^160+1000x^161+2960x^162+1580x^164+80x^165+660x^166+1540x^167+700x^169+28x^170+16x^175+28x^180+16x^185+16x^190+8x^195

The gray image is a code over GF(5) with n=200, k=6 and d=146.
This code was found by Heurico 1.16 in 80.3 seconds.