The generator matrix

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

generates a code of length 18 over Z16 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+15x^16+224x^18+15x^20+1x^36

The gray image is a code over GF(2) with n=144, k=8 and d=64.
This code was found by Heurico 1.16 in 0.00341 seconds.