The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  X  0  0  0  0  0  X  X 4X 2X 3X  X 3X  0 2X 4X 3X  X  X 2X 2X 3X 4X  X 4X 3X 3X  0 3X 3X 3X  X  X 2X 2X  0 4X  X 4X 3X  X 2X  0  X
 0  0  X  0  0  X  X 3X 4X 3X  0  X  X 2X  0  0 2X  X  0  X  X 2X  0 4X 4X 2X 2X 3X 2X 2X  X  X 4X 2X 4X 3X 4X 4X 3X  X  X  0  0 2X 2X
 0  0  0  X  0 3X 2X 3X  X  X 4X  X  0 4X 2X 4X 2X  0 4X  X 3X  0 2X 2X 4X 3X  X 2X 4X 2X 4X 4X  0  X 4X  X  X  X  X 2X  X 4X  0  X 2X
 0  0  0  0  X 3X  X 4X 3X  X 3X 4X  X  0 3X 4X 4X  X  0 4X 4X 4X  X 2X 3X 3X  0 3X 4X  X  X 4X  X  X 2X 2X 3X  0  X  X  0 4X 2X 4X 3X

generates a code of length 45 over Z5[X]/(X^2) who´s minimum homogenous weight is 160.

Homogenous weight enumerator: w(x)=1x^0+192x^160+420x^165+512x^170+336x^175+12916x^180+292x^185+288x^190+328x^195+204x^200+84x^205+36x^210+12x^215+4x^225

The gray image is a linear code over GF(5) with n=225, k=6 and d=160.
This code was found by Heurico 1.16 in 0.687 seconds.