The generator matrix

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

generates a code of length 46 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+48x^46+12x^48+2x^52+1x^56

The gray image is a code over GF(2) with n=368, k=6 and d=184.
This code was found by Heurico 1.16 in 0.047 seconds.