The generator matrix

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

generates a code of length 24 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 22.

Homogenous weight enumerator: w(x)=1x^0+30x^22+50x^23+78x^24+76x^25+16x^26+2x^27+1x^28+1x^30+1x^34

The gray image is a code over GF(2) with n=192, k=8 and d=88.
This code was found by Heurico 1.16 in 0 seconds.