The generator matrix

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

generates a code of length 99 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 98.

Homogenous weight enumerator: w(x)=1x^0+6x^98+100x^99+6x^100+1x^102+10x^103+1x^104+2x^111+1x^126

The gray image is a code over GF(2) with n=792, k=7 and d=392.
This code was found by Heurico 1.16 in 1.2 seconds.