The generator matrix

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

generates a code of length 50 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+29x^42+44x^43+168x^44+140x^45+274x^46+244x^47+542x^48+340x^49+563x^50+340x^51+541x^52+244x^53+259x^54+140x^55+138x^56+44x^57+13x^58+8x^60+10x^62+7x^64+3x^66+3x^68+1x^70

The gray image is a code over GF(2) with n=200, k=12 and d=84.
This code was found by Heurico 1.16 in 0.683 seconds.