The generator matrix

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

generates a code of length 30 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+50x^24+36x^25+126x^26+132x^27+278x^28+216x^29+378x^30+216x^31+281x^32+132x^33+122x^34+36x^35+26x^36+6x^38+4x^40+8x^42

The gray image is a code over GF(2) with n=120, k=11 and d=48.
This code was found by Heurico 1.16 in 0.0863 seconds.