The generator matrix

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

generates a code of length 19 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+144x^15+716x^16+1710x^17+3256x^18+4784x^19+3266x^20+1632x^21+668x^22+172x^23+25x^24+2x^25+4x^26+4x^27

The gray image is a code over GF(2) with n=152, k=14 and d=60.
This code was found by Heurico 1.16 in 0.594 seconds.