The generator matrix

 1  0  1  1  1 14  1  1  2  1  1  6  1  1 12  1  1  1  1  1  6  1  1
 0  1 11  6  5  1  8  7  1  4  3  1 10  9  1 14 14 13 13 14  1 13  0
 0  0 12  0  8  4  4  4 12 12  8  0  0  8  0  4  4 12 12  8  8  0  8
 0  0  0  8  8  8  0  8  0  8  0  8  0  0  8  0  8  8  0  0  0  0  8

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

Homogenous weight enumerator: w(x)=1x^0+101x^20+238x^21+605x^22+176x^23+599x^24+220x^25+95x^26+3x^28+6x^29+3x^30+1x^34

The gray image is a code over GF(2) with n=184, k=11 and d=80.
This code was found by Heurico 1.16 in 0.0209 seconds.