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

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+4x^98+88x^99+6x^100+22x^101+2x^102+1x^104+1x^106+2x^109+1x^114

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 0.766 seconds.