The generator matrix

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

generates a code of length 50 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 43.

Homogenous weight enumerator: w(x)=1x^0+244x^43+1408x^44+2980x^45+6468x^46+9536x^47+15090x^48+18708x^49+21664x^50+19228x^51+15867x^52+9504x^53+5826x^54+2600x^55+1367x^56+356x^57+100x^58+72x^59+41x^60+4x^61+6x^62+2x^64

The gray image is a code over GF(2) with n=400, k=17 and d=172.
This code was found by Heurico 1.16 in 106 seconds.