The generator matrix

 1  0  1  1  1 X+2  1  1 X+2  1  1  0  1  1  1  1  1  1  1  1  2  X  2  X  1  1  1  1  2  1
 0  1 X+1 X+2  3  1  0 X+1  1 X+2  3  1  2  X X+3  1  2  X X+3  1  1  1  1  1  0 X+2  0 X+2  2  0
 0  0  2  2  0  2  2  0  0  0  2  2  2  0  2  0  0  2  0  2  2  0  0  2  0  2  2  0  2  0

generates a code of length 30 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+10x^28+52x^29+10x^30+40x^31+5x^32+4x^33+4x^34+2x^42

The gray image is a code over GF(2) with n=120, k=7 and d=56.
This code was found by Heurico 1.16 in 0.00666 seconds.