The generator matrix

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

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+46x^92+228x^93+382x^94+392x^95+468x^96+374x^97+371x^98+262x^99+301x^100+188x^101+183x^102+164x^103+153x^104+138x^105+126x^106+58x^107+63x^108+60x^109+41x^110+28x^111+22x^112+16x^113+9x^114+8x^115+10x^116+4x^117

The gray image is a code over GF(2) with n=396, k=12 and d=184.
This code was found by Heurico 1.11 in 0.847 seconds.