The generator matrix

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

generates a code of length 99 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 92.

Homogenous weight enumerator: w(x)=1x^0+44x^92+286x^93+352x^94+402x^95+402x^96+390x^97+282x^98+330x^99+302x^100+240x^101+168x^102+214x^103+149x^104+92x^105+91x^106+114x^107+36x^108+40x^109+47x^110+40x^111+34x^112+18x^113+11x^114+4x^115+6x^117+1x^118

The gray image is a code over GF(2) with n=396, k=12 and d=184.
This code was found by Heurico 1.16 in 1.37 seconds.