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

generates a code of length 92 over Z16 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+74x^84+4x^85+192x^86+8x^87+237x^88+184x^89+462x^90+548x^91+732x^92+628x^93+464x^94+144x^95+156x^96+16x^97+82x^98+4x^99+75x^100+36x^102+28x^104+12x^106+6x^108+2x^112+1x^156

The gray image is a code over GF(2) with n=736, k=12 and d=336.
This code was found by Heurico 1.16 in 1.21 seconds.