The generator matrix

 1  0  1  1  1  1  1  1  1  0  1  5  1  1  1  1  1  1  1  1  1  1  1  5  1  1  1  1  1  0  1  1 15  1  1 15  1  1  1  1  1 10  1  1  1  5  1  1
 0  1  1  7 14 18  0 16  7  1 16  1  5 14 18  5 12 19 23 11 12 19 23  1 15 11  8  7 14  1 22  4  1 22  4  1  0 15 15 19 17  1  9  5 17  1 10 17
 0  0 15 10  5  0 20 10  5 10 20  5 15  0 10  5 20 10 15  5  0 15 20 20 10  0  5 15 20 15 10  0  0 20 15  5 10  5 15 20  5 10 10 20  0 15  0 15

generates a code of length 48 over Z25 who´s minimum homogenous weight is 186.

Homogenous weight enumerator: w(x)=1x^0+280x^186+840x^187+72x^190+440x^191+480x^192+40x^195+80x^196+520x^197+4x^200+200x^201+160x^202+8x^215

The gray image is a code over GF(5) with n=240, k=5 and d=186.
This code was found by Heurico 1.16 in 0.0241 seconds.