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

generates a code of length 63 over Z5[X]/(X^2) who´s minimum homogenous weight is 240.

Homogenous weight enumerator: w(x)=1x^0+876x^240+420x^242+600x^243+2208x^245+460x^247+500x^248+2348x^250+600x^252+400x^253+2812x^255+740x^257+800x^258+1876x^260+280x^262+200x^263+432x^265+28x^270+12x^275+4x^280+20x^285+8x^290

The gray image is a linear code over GF(5) with n=315, k=6 and d=240.
This code was found by Heurico 1.16 in 1.18 seconds.