The generator matrix

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

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+249x^24+580x^25+980x^26+1412x^27+1724x^28+2012x^29+2184x^30+2268x^31+1973x^32+1436x^33+836x^34+412x^35+196x^36+68x^37+32x^38+4x^39+17x^40

The gray image is a code over GF(2) with n=120, k=14 and d=48.
This code was found by Heurico 1.16 in 5.26 seconds.