The generator matrix

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

generates a code of length 54 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+9x^52+64x^53+109x^54+60x^55+6x^56+2x^57+2x^58+2x^69+1x^74

The gray image is a code over GF(2) with n=432, k=8 and d=208.
This code was found by Heurico 1.16 in 0.094 seconds.