The generator matrix

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

generates a code of length 42 over Z5[X]/(X^2) who´s minimum homogenous weight is 155.

Homogenous weight enumerator: w(x)=1x^0+148x^155+120x^156+600x^158+720x^159+532x^160+460x^161+960x^163+840x^164+704x^165+600x^166+1520x^168+2160x^169+1048x^170+940x^171+1680x^173+1280x^174+580x^175+380x^176+240x^178+28x^180+32x^185+20x^190+16x^195+8x^200+8x^205

The gray image is a linear code over GF(5) with n=210, k=6 and d=155.
This code was found by Heurico 1.16 in 0.294 seconds.