The generator matrix

 1  0  0  1  1  1 14  1  1  1  4  1  6  8  1  1  1 14  1  1  2  1  4  0
 0  1  0  1  6  7  1 12  6 13  1 15  1  6  5  7 10  1 12  4  4 12  1  1
 0  0  1  1  3  2  3  2  5  7  6  0  1  1  2  3  7  1  3 14  1  1  2  0
 0  0  0 12  0  0  4  4  8  8 12  8  4  4  4 12 12  8  8  8  0  4  0  0
 0  0  0  0  8  0  0  0  0  8  8  0  8  8  0  8  0  8  0  8  0  8  8  0
 0  0  0  0  0  8  8  0  8  8  0  0  8  8  8  0  0  8  0  0  8  8  8  0

generates a code of length 24 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+99x^18+394x^19+1239x^20+3524x^21+6880x^22+13402x^23+14248x^24+13720x^25+6992x^26+3358x^27+1132x^28+388x^29+108x^30+30x^31+19x^32+1x^34+1x^36

The gray image is a code over GF(2) with n=192, k=16 and d=72.
This code was found by Heurico 1.16 in 9.53 seconds.