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

generates a code of length 50 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+28x^49+78x^50+14x^52+2x^53+1x^54+1x^56+2x^61+1x^62

The gray image is a code over GF(2) with n=200, k=7 and d=98.
This code was found by Heurico 1.16 in 6.87 seconds.