The generator matrix

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

generates a code of length 18 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+19x^14+44x^15+70x^16+94x^17+86x^18+76x^19+54x^20+32x^21+19x^22+8x^23+3x^24+2x^25+4x^26

The gray image is a code over GF(2) with n=72, k=9 and d=28.
This code was found by Heurico 1.16 in 0.00504 seconds.