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

generates a code of length 93 over Z16 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+18x^86+116x^87+156x^88+228x^89+361x^90+408x^91+530x^92+592x^93+562x^94+408x^95+231x^96+152x^97+108x^98+88x^99+22x^100+48x^101+36x^102+4x^103+16x^104+4x^105+3x^106+3x^112+1x^160

The gray image is a code over GF(2) with n=744, k=12 and d=344.
This code was found by Heurico 1.16 in 1.58 seconds.