The generator matrix

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

generates a code of length 49 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+47x^42+128x^43+202x^44+294x^45+373x^46+382x^47+424x^48+450x^49+423x^50+436x^51+350x^52+238x^53+152x^54+64x^55+38x^56+38x^57+15x^58+12x^59+8x^60+4x^61+11x^62+2x^63+1x^64+3x^66

The gray image is a code over GF(2) with n=196, k=12 and d=84.
This code was found by Heurico 1.16 in 0.674 seconds.