The generator matrix

 1  0  1  1  1  6  1  1 12  1  1 10  1  0  6  1  1  1  1  1  1  1  2
 0  1  3  6  5  1 12 15  1 10  9  1  0  1  1  3  6 12  5  0 12 12  6
 0  0  8  0  0  0  0  0  0  8  8  0  8  0  0  8  8  0  8  0  8  0  8
 0  0  0  8  0  0  0  8  0  8  8  0  0  8  8  8  0  0  8  8  0  8  8
 0  0  0  0  8  0  0  0  8  0  8  0  8  8  8  8  8  8  0  8  0  8  8
 0  0  0  0  0  8  0  8  8  0  8  0  8  0  8  0  0  8  8  8  8  0  0
 0  0  0  0  0  0  8  8  0  8  0  8  8  8  0  8  8  8  0  0  0  0  8

generates a code of length 23 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+78x^18+64x^19+351x^20+896x^21+1880x^22+1664x^23+1890x^24+896x^25+328x^26+64x^27+56x^28+16x^30+5x^32+2x^34+1x^36

The gray image is a code over GF(2) with n=184, k=13 and d=72.
This code was found by Heurico 1.16 in 6.21 seconds.