The generator matrix

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

generates a code of length 21 over Z25 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+428x^75+140x^76+140x^77+1020x^78+940x^79+1020x^80+1120x^81+620x^82+1560x^83+620x^84+1036x^85+2240x^86+740x^87+1920x^88+940x^89+1112x^90+28x^95

The gray image is a code over GF(5) with n=105, k=6 and d=75.
This code was found by Heurico 1.16 in 0.102 seconds.