The generator matrix

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

generates a code of length 36 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+252x^32+128x^33+708x^34+384x^35+1170x^36+384x^37+696x^38+128x^39+230x^40+4x^42+6x^44+3x^48+2x^56

The gray image is a code over GF(2) with n=288, k=12 and d=128.
This code was found by Heurico 1.16 in 0.203 seconds.