The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+56x^22+5x^24+2x^28

The gray image is a code over GF(2) with n=176, k=6 and d=88.
This code was found by Heurico 1.16 in -3.24e-008 seconds.