The generator matrix

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

generates a code of length 88 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 93.

Homogenous weight enumerator: w(x)=1x^0+8x^93+5x^94+1x^96+1x^98

The gray image is a code over GF(2) with n=352, k=4 and d=186.
This code was found by Heurico 1.16 in 0.365 seconds.