The generator matrix

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

generates a code of length 14 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+30x^12+192x^13+64x^14+192x^15+31x^16+2x^20

The gray image is a code over GF(2) with n=112, k=9 and d=48.
This code was found by Heurico 1.16 in 0 seconds.