The generator matrix

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

generates a code of length 23 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+13x^24+2x^28

The gray image is a code over GF(2) with n=92, k=4 and d=48.
This code was found by Heurico 1.16 in 0.00241 seconds.