The generator matrix

 1  1  1  1  1  1  1  1  2  0  2 12  2  8  2  4  1  1  1
 0  2 12  6  8 14  4 10  6  2 10  2 14  2  2  2  0 12  8

generates a code of length 19 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+6x^18+112x^19+6x^20+1x^22+1x^24+1x^30

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 0.0023 seconds.