The generator matrix

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

generates a code of length 47 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+36x^40+108x^41+243x^42+218x^43+489x^44+264x^45+561x^46+386x^47+533x^48+280x^49+410x^50+170x^51+194x^52+66x^53+46x^54+24x^55+22x^56+16x^57+19x^58+5x^60+2x^61+1x^62+2x^63

The gray image is a code over GF(2) with n=188, k=12 and d=80.
This code was found by Heurico 1.16 in 0.598 seconds.