The generator matrix

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

generates a code of length 51 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+110x^48+128x^50+224x^52+48x^56+1x^96

The gray image is a code over GF(2) with n=204, k=9 and d=96.
This code was found by Heurico 1.16 in 13.2 seconds.