The generator matrix

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

generates a code of length 58 over Z25 who´s minimum homogenous weight is 226.

Homogenous weight enumerator: w(x)=1x^0+280x^226+860x^227+64x^230+440x^231+620x^232+32x^235+80x^236+180x^237+20x^240+200x^241+340x^242+8x^245

The gray image is a code over GF(5) with n=290, k=5 and d=226.
This code was found by Heurico 1.16 in 176 seconds.