The generator matrix

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

generates a code of length 12 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 10.

Homogenous weight enumerator: w(x)=1x^0+246x^10+384x^11+800x^12+384x^13+216x^14+15x^16+2x^18

The gray image is a code over GF(2) with n=96, k=11 and d=40.
This code was found by Heurico 1.16 in 1.42 seconds.