The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+128x^15+754x^16+1720x^17+3191x^18+4786x^19+3295x^20+1664x^21+654x^22+140x^23+37x^24+8x^25+3x^26+2x^27+1x^28

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 0.609 seconds.