The generator matrix

 1  0  1  1  1  1  1  1  1  0  1  1
 0  1  1  7 14 18  0 16  7  1 16  5
 0  0 15 10  5  0 20 10  5 10 20 15

generates a code of length 12 over Z25 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+48x^40+120x^41+200x^44+384x^45+360x^46+800x^49+664x^50+520x^51+16x^55+12x^60

The gray image is a code over GF(5) with n=60, k=5 and d=40.
This code was found by Heurico 1.16 in 0.00282 seconds.