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

generates a code of length 49 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 44.

Homogenous weight enumerator: w(x)=1x^0+141x^44+40x^46+64x^47+81x^48+1408x^49+80x^50+64x^51+98x^52+8x^54+45x^56+17x^60+1x^88

The gray image is a code over GF(2) with n=392, k=11 and d=176.
This code was found by Heurico 1.16 in 106 seconds.