The generator matrix

 1  0  1  1  1  6  1 12  1  1  1 14  8  1  2  1  1  1  1  0 14  2  1
 0  1 11  6 13  1  8  1 11 13  6  1  1  7  1  1  0 14  5  1  1 14  3
 0  0 12  0  4  0  0  8  8  0  0  4  4  8 12  4  4  4  0 12  8  8  4
 0  0  0 12  0  0  4  8 12  4  8  0  8  4  0  0  4  0  8 12 12 12  4
 0  0  0  0  8  0  8  8  8  0  0  0  0  0  8  8  8  0  8  0  8  0  8
 0  0  0  0  0  8  0  8  0  0  8  8  0  8  8  8  0  0  0  0  8  0  8

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

Homogenous weight enumerator: w(x)=1x^0+151x^18+96x^19+933x^20+1664x^21+3483x^22+3648x^23+3669x^24+1664x^25+805x^26+96x^27+127x^28+41x^30+6x^32

The gray image is a code over GF(2) with n=184, k=14 and d=72.
This code was found by Heurico 1.16 in 2.95 seconds.