The generator matrix

 1  0  0  1  1  1  2  0  1  1  1  2 X+2  1 X+2  1  1  X  1  1 X+2  1  1  1  X  0  1  1  X  0 X+2  2  1  1 X+2  1  1  1  0  2  1  X X+2  0  1  1  1  0  2  2
 0  1  0  0  3 X+1  1  2 X+1 X+2 X+2  1 X+2  3  1  X  1  1  X X+3  1 X+3  X  1  1  1  2 X+3  0  1 X+2  1  0 X+3  2  3  X  2  1  1  0  1  1  1  X  1 X+2  1  1  1
 0  0  1  1  3  2 X+3  1  3  0 X+1  3  1  0  2  1  X  1 X+2 X+1  2 X+1  3  0  1  2 X+2  0  1  X  1 X+3  1  3  1 X+3  X X+1  1 X+1 X+3 X+1 X+2  1  0  X  3  2 X+2  1
 0  0  0  X  X  0 X+2  X  X  0 X+2  X  X  2  2 X+2  0 X+2  0  X X+2  0  2  X  2  X X+2 X+2  0  X  2  X  2  0 X+2 X+2 X+2  0 X+2  0  X  2  X  2 X+2  X  0  2  0  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+364x^46+594x^48+428x^50+298x^52+164x^54+112x^56+62x^58+18x^60+4x^62+1x^64+2x^66

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 66 seconds.