The generator matrix

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

generates a code of length 47 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+6x^46+44x^47+7x^48+4x^51+2x^62

The gray image is a code over GF(2) with n=376, k=6 and d=184.
This code was found by Heurico 1.16 in 0.047 seconds.