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

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+28x^37+76x^38+142x^39+185x^40+250x^41+312x^42+448x^43+578x^44+768x^45+898x^46+832x^47+927x^48+712x^49+594x^50+532x^51+284x^52+256x^53+136x^54+82x^55+63x^56+30x^57+20x^58+12x^59+2x^60+4x^61+10x^62+8x^64+2x^66

The gray image is a code over GF(2) with n=188, k=13 and d=74.
This code was found by Heurico 1.16 in 83.7 seconds.