The generator matrix

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

generates a code of length 19 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+83x^16+238x^17+505x^18+474x^19+444x^20+162x^21+102x^22+22x^23+16x^24+1x^26

The gray image is a code over GF(2) with n=152, k=11 and d=64.
This code was found by Heurico 1.16 in 0.016 seconds.