The generator matrix

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

generates a code of length 19 over Z4[X]/(X^2+2X+2) who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+23x^18+80x^19+21x^20+1x^22+2x^28

The gray image is a code over GF(2) with n=152, k=7 and d=72.
This code was found by Heurico 1.16 in 1.05e-007 seconds.