The generator matrix

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

generates a code of length 92 over Z16 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+118x^86+188x^87+303x^88+254x^89+540x^90+412x^91+594x^92+438x^93+480x^94+172x^95+234x^96+134x^97+97x^98+56x^99+50x^100+6x^101+12x^102+4x^103+1x^106+1x^108+1x^156

The gray image is a code over GF(2) with n=736, k=12 and d=344.
This code was found by Heurico 1.16 in 1.27 seconds.