The generator matrix

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

generates a code of length 30 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+24x^29+204x^30+24x^31+1x^32+2x^44

The gray image is a code over GF(2) with n=240, k=8 and d=116.
This code was found by Heurico 1.16 in 0 seconds.