The generator matrix

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

generates a code of length 47 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+22x^45+65x^46+84x^47+54x^48+22x^49+5x^50+1x^58+1x^60+1x^66

The gray image is a code over GF(2) with n=188, k=8 and d=90.
This code was found by Heurico 1.13 in 0.031 seconds.