The generator matrix

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

generates a code of length 16 over Z4[X]/(X^2+2X+2) who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+114x^14+64x^15+179x^16+64x^17+68x^18+12x^20+10x^22

The gray image is a code over GF(2) with n=128, k=9 and d=56.
This code was found by Heurico 1.16 in 24.8 seconds.