The generator matrix

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

generates a code of length 51 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+73x^46+206x^47+263x^48+236x^49+284x^50+254x^51+127x^52+152x^53+112x^54+78x^55+95x^56+60x^57+40x^58+34x^59+25x^60+3x^62+4x^63+1x^64

The gray image is a code over GF(2) with n=204, k=11 and d=92.
This code was found by Heurico 1.11 in 0.1 seconds.