The generator matrix

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

generates a code of length 40 over Z5[X]/(X^2) who´s minimum homogenous weight is 140.

Homogenous weight enumerator: w(x)=1x^0+176x^140+280x^144+1008x^145+560x^146+1320x^149+2220x^150+1760x^151+3720x^154+5044x^155+6360x^156+9120x^159+9712x^160+9760x^161+8920x^164+7700x^165+6560x^166+1640x^169+1704x^170+264x^175+176x^180+88x^185+24x^190+8x^195

The gray image is a linear code over GF(5) with n=200, k=7 and d=140.
This code was found by Heurico 1.16 in 6.72 seconds.