The generator matrix

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

generates a code of length 18 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+86x^15+219x^16+138x^17+182x^18+160x^19+126x^20+44x^21+42x^22+18x^23+6x^24+2x^25

The gray image is a code over GF(2) with n=72, k=10 and d=30.
This code was found by Heurico 1.16 in 0.0402 seconds.