The generator matrix

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

generates a code of length 15 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 9.

Homogenous weight enumerator: w(x)=1x^0+74x^9+179x^10+394x^11+787x^12+1750x^13+3103x^14+3718x^15+3176x^16+1830x^17+793x^18+358x^19+129x^20+58x^21+21x^22+10x^23+3x^24

The gray image is a code over GF(2) with n=60, k=14 and d=18.
This code was found by Heurico 1.16 in 3.51 seconds.