The generator matrix

 1  0  0  1  1  1  0  1  2  1  1  0  1  0 X+2  1 X+2  1  1  1  X  X  1  1  1  2 X+2  1  1  2  0  X  1  X  0  1  0  1  2  1  0  X  X  1  1  2  X  1  1  1
 0  1  0  0  1  3  1  X  1  1  2  1 X+3 X+2  1  0 X+2 X+2  3 X+3  1  2 X+3 X+2  X  1  1  3 X+1  1  1  2  0 X+2  X X+1  1  0  2  1  X  1  X  0  0  1  1  2  2  1
 0  0  1 X+1 X+3  0 X+1  1  X  1  X  3  0  1  X  1  1  2 X+2 X+3 X+3  1  3 X+2 X+1 X+2  3  2 X+2  2 X+3  1 X+2  1  1 X+3 X+3  2  1  3  1  0  1  0 X+1 X+2  X  1 X+2 X+2
 0  0  0  2  0  0  0  0  0  2  2  2  2  2  2  2  2  2  2  0  0  2  2  0  0  2  0  0  2  2  2  0  2  0  0  2  2  2  2  0  0  2  2  0  0  0  0  0  0  0
 0  0  0  0  2  2  2  0  2  2  0  2  2  0  2  0  0  2  0  0  0  2  0  2  2  2  0  0  2  0  2  2  2  0  0  0  0  0  0  0  2  2  2  2  0  0  2  0  2  0

generates a code of length 50 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+392x^46+532x^48+483x^50+242x^52+211x^54+106x^56+57x^58+14x^60+9x^62+1x^64

The gray image is a code over GF(2) with n=200, k=11 and d=92.
This code was found by Heurico 1.16 in 87.7 seconds.