The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  2  2
 0 12  0 12  0 12  8  4  0 12  0 12  0 12  8  4  0  8  8 12  4 12 12
 0  0  8  0  0  0  8  0  0  8  8  8  0  8  8  8  8  8  0  0  0  0  0
 0  0  0  8  0  0  0  8  8  8  8  8  8  0  8  0  8  0  0  8  0  0  0
 0  0  0  0  8  8  8  8  8  0  0  8  0  8  8  0  8  0  8  8  8  8  8

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

Homogenous weight enumerator: w(x)=1x^0+35x^20+32x^21+32x^22+320x^23+30x^24+32x^25+16x^26+13x^28+1x^40

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 0.00707 seconds.