The generator matrix

 1  0  1  1  1 14  1  2  1  1  1  1  0  6 10  1  1  1
 0  1 11  6  5  1  7  1  8  4  6 13  1  1  1 12  1  9
 0  0 12  0  8  4  4 12  4 12  8  4  8  0  8  8  4  8
 0  0  0  8  8  8  8  0  0  8  0  0  8  0  0  0  8  8

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

Homogenous weight enumerator: w(x)=1x^0+457x^16+128x^17+896x^18+128x^19+424x^20+14x^24

The gray image is a code over GF(2) with n=144, k=11 and d=64.
This code was found by Heurico 1.16 in 17 seconds.