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

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

Homogenous weight enumerator: w(x)=1x^0+246x^86+28x^87+254x^88+164x^89+486x^90+584x^91+718x^92+568x^93+405x^94+156x^95+178x^96+36x^97+149x^98+94x^100+19x^102+2x^104+5x^106+2x^110+1x^160

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 12.2 seconds.