The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+2x^46+20x^47+3x^48+4x^49+2x^50

The gray image is a code over GF(2) with n=184, k=5 and d=92.
This code was found by Heurico 1.16 in 0.049 seconds.