The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+60x^46+58x^48+4x^50+4x^52+1x^64

The gray image is a code over GF(2) with n=188, k=7 and d=92.
This code was found by Heurico 1.16 in 0.0337 seconds.