The generator matrix

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

generates a code of length 51 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 47.

Homogenous weight enumerator: w(x)=1x^0+140x^47+66x^48+216x^49+81x^50+160x^51+50x^52+114x^53+27x^54+76x^55+24x^56+44x^57+3x^58+4x^59+1x^60+6x^61+1x^62+4x^63+4x^65+1x^68+1x^72

The gray image is a code over GF(2) with n=204, k=10 and d=94.
This code was found by Heurico 1.16 in 5.05 seconds.