The generator matrix

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

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+184x^46+275x^48+198x^50+165x^52+146x^54+35x^56+10x^58+2x^60+6x^62+1x^68+1x^72

The gray image is a code over GF(2) with n=200, k=10 and d=92.
This code was found by Heurico 1.16 in 0.126 seconds.