The generator matrix

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

generates a code of length 47 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 37.

Homogenous weight enumerator: w(x)=1x^0+118x^37+538x^38+1102x^39+2235x^40+3422x^41+5436x^42+7032x^43+11015x^44+11956x^45+15132x^46+14042x^47+16133x^48+12248x^49+11127x^50+7142x^51+5615x^52+3106x^53+1773x^54+976x^55+514x^56+250x^57+105x^58+42x^59+6x^60+4x^61+1x^62+1x^64

The gray image is a code over GF(2) with n=188, k=17 and d=74.
This code was found by Heurico 1.13 in 144 seconds.