The generator matrix

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

generates a code of length 59 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+84x^50+20x^51+261x^52+172x^53+575x^54+420x^55+755x^56+588x^57+940x^58+684x^59+957x^60+612x^61+675x^62+364x^63+481x^64+164x^65+231x^66+48x^67+89x^68+43x^70+9x^72+8x^74+5x^76+3x^78+2x^80+1x^82

The gray image is a code over GF(2) with n=236, k=13 and d=100.
This code was found by Heurico 1.16 in 3.51 seconds.