The generator matrix

1 1 0 1 2 1 2 2 2 1 1 2 2 0 1 0 2 1 2
0 0 2 1 1 1 1 1 0 2 0 1 1 1 1 1 1 3 2
3 0 1 3 1 0 0 2 0 3 2 3 3 0 1 0 3 2 0
3 2 3 1 3 2 2 3 1 2 1 3 2 0 3 3 2 0 1
0 0 0 0 0 0 0 0 0 2 2 2 0 2 2 2 2 2 0

generates a code of length 19 over Z4 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+48x^15+91x^16+64x^17+36x^18+48x^19+70x^20+48x^21+24x^22+32x^23+28x^24+16x^25+4x^26+2x^28

The gray image is a code over GF(2) with n=38, k=9 and d=15.
This code was found by an older version of Heurico in 0 seconds.