The generator matrix

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

generates a code of length 47 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 41.

Homogenous weight enumerator: w(x)=1x^0+82x^41+240x^42+258x^43+569x^44+306x^45+531x^46+342x^47+528x^48+228x^49+369x^50+194x^51+231x^52+74x^53+69x^54+36x^55+15x^56+14x^57+7x^58+2x^63

The gray image is a code over GF(2) with n=188, k=12 and d=82.
This code was found by Heurico 1.16 in 0.499 seconds.