The generator matrix

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

generates a code of length 57 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 56.

Homogenous weight enumerator: w(x)=1x^0+14x^56+92x^57+14x^58+1x^64+4x^65+2x^66

The gray image is a code over GF(2) with n=228, k=7 and d=112.
This code was found by Heurico 1.16 in 0.0923 seconds.