The generator matrix

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

generates a code of length 99 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 100.

Homogenous weight enumerator: w(x)=1x^0+51x^100+8x^102+3x^104+1x^108

The gray image is a code over GF(2) with n=396, k=6 and d=200.
This code was found by Heurico 1.16 in 0.385 seconds.