The generator matrix

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

generates a code of length 47 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+186x^42+80x^43+304x^44+120x^45+312x^46+112x^47+308x^48+128x^49+252x^50+64x^51+98x^52+8x^53+42x^54+19x^56+6x^58+5x^60+2x^62+1x^68

The gray image is a code over GF(2) with n=188, k=11 and d=84.
This code was found by Heurico 1.16 in 0.197 seconds.