The generator matrix

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

generates a code of length 50 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+9x^48+52x^49+10x^50+40x^51+6x^52+4x^53+4x^54+1x^62+1x^78

The gray image is a code over GF(2) with n=200, k=7 and d=96.
This code was found by Heurico 1.13 in 0.031 seconds.