The generator matrix

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

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+101x^46+156x^47+326x^48+190x^49+276x^50+174x^51+253x^52+84x^53+161x^54+106x^55+76x^56+30x^57+58x^58+26x^59+13x^60+12x^62+2x^63+3x^64

The gray image is a code over GF(2) with n=204, k=11 and d=92.
This code was found by Heurico 1.16 in 0.172 seconds.