The generator matrix

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

generates a code of length 23 over Z16 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+12x^20+98x^21+20x^22+254x^23+17x^24+94x^25+11x^26+2x^27+2x^28+1x^42

The gray image is a code over GF(2) with n=184, k=9 and d=80.
This code was found by Heurico 1.16 in 0.00643 seconds.